This page contains automatically translated content.

Resume

1988 Master’s degree in physics from the University of Cologne
1992 Ph.D. in physics from the University of Cologne
1992 Postdoctoral fellow at the University of California, Berkeley, USA
1994 Research assistant at the University of Cologne
2001 Habilitation, University of Cologne
2002 Acting Chair in Chemical Physics, University of Wuppertal
2009 Adjunct Professor at the University of Cologne
2012 Professor at the University of Kassel

Memberships

2004–2009 Scientific Coordinator at LEA HiRes
2004–2008 Member of the EU FP6 project "Molecular Universe"
2005–2009 Member of the EU FP6 project QUASAAR
2007 Herschel HIFI Co-Investigator at PRISMAS
2008 Herschel HIFI Co-Investigator at HEXOS
2011 Member of ETFLA - European Task Force for Laboratory Astrophysics
2011 Subproject Leader in Collaborative Research Center 956
2018 Member of the Executive Board and Subproject Leader in Collaborative Research Center 1319

Research Focus Areas and Awards

High-Resolution Terahertz and Infrared Spectroscopy

Molecules, radicals, and ions of astrophysical interest

IR spectroscopy of carbon clusters in a supersonic jet

Development of spectroscopic techniques (OPO laser system)

Awards

1992: Max Kade Research Fellowship

2003: Sir Thompson Memorial Award

2007: Albertus Magnus Teaching Award

Publications

2025

Excited-state assignment and state-resolved photoelectron circular dichroism in chalcogen-substituted fenchones
Sudheendran Vasudevan et al.
ChemPhysChem, 26, 2500319 (2025)

Electron correlation and relativistic effects in the excited states of radium monofluoride
Michail Athanasakis-Kaklamanakis et al.
Nature Communications 16:2139 (2025)

Heavier chalcogenofenchones for fundamental gas-phase studies of molecular chirality
Manjinder Kour et al.
arXiv:2506.09906v1 (2025)

Ro-Vibrational Spectrum of Vanadium Monoxide (VO) at 10 μm
Eileen Döring, Luisa Blum, Alexander A. Breier, Thomas F. Giesen, and Guido W. Fuchs
J. Phys. Chem. A, 129, 58–65 (2025)

Observation of the distribution of nuclear magnetization in a molecule
S.G. Wilkins et al.
Science 390, 6771 (2025)

2024

Strong coupling of a chiral molecule with circularly polarized modes inside a cavity
Lara Marie Tomasch, Fabian Spallek, Guido W Fuchs, Thomas F Giesen, Stefan Yoshi Buhmann
arXiv (2024).

Opportunities for fundamental physics research with radioactive molecules
Gordon Arrowsmith-Kron et al.
IOP Publishing (2024).

Precision spectroscopy and laser-cooling scheme of a radium-containing molecule
S.M. Udrescu et al.
Nature Physics (2024).

Ionization potential of radium monofluoride
SG Wilkins et al.
arXiv: 2408.14673 (2024)

High-resolution infrared spectra and rovibrational analysis of the v12 band of propylene oxide
Karel Vávra, Eileen Döring, Jan Jakob, Fabian Peterß, Matin Kaufmann, Pascal Stahl, Thomas F Giesen, Guido W Fuchs
Royal Society of Chemistry (2024)

2023

Vibrationally Resolved Absorption and Fluorescence Cross Sections of Adamantane in the Far-Ultraviolet Spectral Range on an Absolute Scale.
L. Marder, A. Breier, N. de Oliveira, P. Reiss, P. Schmidt, C. Ozga, C. Küstner-Wetekam, T. Giesen, L. Nahon, A. Hans, A. Knie, and A. Ehresmann.
The Astrophysical Journal Supplement Series, 267:23 (2023)

Ro-Vibrational Spectrum of Linear Dialuminum Monoxide (Al₂O) at 10 μm.
D. Witsch, E. Döring, A. A. Breier, J. Gauss, T. F. Giesen, G. W. Fuchs.
J. Phys. Chem. A 2023, 127, 17, 3824–3831 (2023).

Opportunities for Fundamental Physics Research with Radioactive Molecules.
Arrowsmith-Kron, G., Athanasakis-Kaklamanakis, M., Au, M., Ballof, J., Berger, R., Borschevsky, A., Breier, A. A., … Giesen, T.F. ... & Yang, X.
arXiv preprint: 2302.02165. (2023)
Journal of Physics G-Nuclear and Particle Physics (Accessed October 24, 2023)

Recent Developments in Laboratory Astrophysics, In: Physics and Chemistry of Star Formation - The Dynamical ISM Across Time and Spatial Scales.
T. F. Giesen, A. A. Breier, M. Kaufmann, G. W. Fuchs.
Proceedings of the 7th Chile-Cologne-Bonn Symposium. Eds.: Ossenkopf-Okada, V., Schaaf, R., Breloy, I., & Stutzki, J. 269 (2023).

Observation of the distribution of nuclear magnetization in a molecule
SG Wilkins et al.
arXiv preprint arXiv:2311.04121 (2023)

Pinning down electron correlations in RaF via spectroscopy of excited states
Michail Athanasakis et al.
KU LEUVEN (2023)

Precision spectroscopy studies of radioactive molecules for fundamental physics
Silviu-Marian Udrescu et al.
APS Division of Atomic (2023)

2022

The torsion–rotation spectrum of deuterated hydrogen peroxide HOOD.
Herberth, D., Yamada, K. M. T., Giesen, T. F.
Journal of Molecular Spectroscopy 389, 111700 (2022)

Accurate ab initio calculations of the RaF electronic structure call for further laser spectroscopic measurements.
A. Zaitsevskii, L. V. Skripnikov, N. S. Mosyagin, T. Isaev, R. Berger, A. A. Breier, and T. F. Giesen
Journal of Chemical Physics 156, 044306 (2022)

2021

Concept and Application of a Linearized Ring Multipass Optics Configuration.
B. Waßmuth, G. W. Fuchs, H. Zimmermann, and T. F. Giesen
Applied Optics, Vol. 60, Issue 32, pp. 10273–10281 (2021)

Isotope Shifts of Radium Monofluoride Molecules.
S.M. Udrescu, A.J. Brinson, R.F. Garcia Ruiz, K. Gaul, R. Berger, J. Billowes, C.L. Binnersley, M.L. Bissell, A.A. Breier, K. Chrysalidis, T.E. Cocolios, B.S. Cooper, K.T. Flanagan, T.F. Giesen, R.P. de Groote, S. Franchoo, F.P. Gustafsson, T.A. Isaev, Á. Koszorús, G. Neyens, H.A. Perrett, C.M. Ricketts, S. Rothe, A.R. Vernon, K.D.A. Wendt, F. Wienholtz, S.G. Wilkins, and X.F. Yang
Phys. Rev. Lett. 127, 033001(2021)

The rotationally resolved infrared spectrum of TiO and its isotopologues.
Witsch, D., Breier, A. A., Döring, E., Yamada, K. M., Giesen, T. F., & Fuchs, G. W.
Journal of Molecular Spectroscopy, 377, 111439 (2021)

Deciphering the rotational spectrum of the first excited torsional state of propylene oxide.
P. Stahl, B. E. Arenas, O. Zingsheim, M. Schnell, L. Margulès, R. A. Motiyenko, G. W. Fuchs, T. F. Giesen
Journal of Molecular Spectroscopy, Volume 378, 2021, 111445 (2021)

The Millimeter-Wave Spectrum of Doubly Deuterated Propylene Oxide CH₃CHCD₂O.
P. Stahl, D. Kargin, R. Pietschnig, T. F. Giesen, G. W. Fuchs
arXiv:2104.08151 [physics.chem-ph] (2021)

Ab initio study and assignment of electronic states in molecular RaCl.
T.A. Isaev, A.V. Zaitsevskii, A. Oleynichenko, E. Eliav, A.A. Breier, T.F. Giesen, R.F. Garcia Ruiz, R. Berger.
Journal of Quantitative Spectroscopy & Radiative Transfer, 269:107649 (2021)

2020

Laboratory blueprints for interstellar searches of aromatic chiral molecules: rotational signatures of styrene oxide
Pascal Stahl, Benjamin E. Arenas, Sérgio R. Domingos, Guido Fuchs, Melanie Schnell, and Thomas Giesen
Phys. Chem. Chem. Phys. (2020), Accepted

Simulating the circumstellar H₂CO and CH₃OH chemistry of young stellar objects using a spherical physical-chemical model
G. W. Fuchs, D. Witsch, D. Herberth, M. Kempkes, B. Stanclik, J. Chantzos, H. Linnartz, K. M. Menten, and T. F. Giesen
Astronomy & Astrophysics 639, A143 (2020)

Improved bond length determination technique for C3 and other linear molecules with a large-amplitude bending vibration
Alexander A. Breier, Thomas F. Giesen, Stephen C. Ross, Koichi M.T. Yamada
Journal of Molecular Structure 1219 (2020) 128329

Determination of accurate rest frequencies and hyperfine structure parameters of cyanobutadiyne, HC5N
Thomas F. Giesen, Michael E. Harding, Jürgen Gauss, Jens-Uwe Grabow, Holger S.P. Müller
Journal of Molecular Spectroscopy 371 (2020) 111303

Spectroscopy of short-lived radioactive molecules
R. F. Garcia Ruiz, R. Berger, J. Billowes, C. L. Binnersley, M. L. Bissell, A. A. Breier, A. J. Brinson, K. Chrysalidis, T. E. Cocolios, B. S. Cooper, K. T. Flanagan, T. F. Giesen, R. P. de Groote, S. Franchoo, F. P. Gustafsson, T. A. Isaev, Á. Koszorús, G. Neyens, H. A. Perrett, C. M. Ricketts, S. Rothe, L. Schweikhard, A. R. Vernon, K. D. A. Wendt, F. Wienholtz, S. G. Wilkins & X. F. Yang
Nature, Volume 581, 396–400 (2020)

First detection of the carbon chain molecules 13CCC and C13CC toward SgrB2 (M)
Thomas F. Giesen, Bhaswati Mookerjea, Guido W. Fuchs, Alexander A. Breier, Daniel Witsch, Robert Simon, and Jürgen Stutzki.
Astronomy & Astrophysics 633 (2020): A120.

Deep search for hydrogen peroxide toward pre- and protostellar objects—Testing the pathway of grain surface water formation.
Fuchs, G. W., D. Witsch, D. Herberth, M. Kempkes, B. Stanclik, J. Chantzos, H. Linnartz, K. Menten, and T. F. Giesen.
Astronomy & Astrophysics 636 (2020): A114.

2019

Accidental Interactions in the Torsional Spectrum of Singly Deuterated Hydrogen Peroxide HOOD
Herberth, D., Yamada, K.M.T., Giesen, T.F.
Journal of Molecular Spectroscopy 362, 37–44 (2019)

Infrared Spectroscopy of Disilicon Carbide, Si₂C: The ν(3) Fundamental Band
Witsch, D; Lutter, V; Breier, AA; Yamada, KMT; Fuchs, GW; Gauss, J; Giesen, TF.
JOURNAL OF PHYSICAL CHEMISTRY A, 123, 19, 4168–4177 (2019)

Mass-independent analysis of the stable isotopologues of gas-phase titanium monoxide—TiO
Breier, AA; Wassmuth, B; Fuchs, GW; Gauss, J; Giesen, TF.
JOURNAL OF MOLECULAR SPECTROSCOPY, 355, 46–58 (2019)
DOI: 10.1016/j.jms.2018.11.006

Principles of enantioselective excitation in three-wave mixing spectroscopy of chiral molecules
Monika Leibscher, Thomas F. Giesen, Christiane P. Koch
Journal of Chemical Physics, 151, 014302 (2019)

2018

A mass-independent expanded Dunham analysis of aluminum monoxide and aluminum monosulfide
Alexander A. Breier, Björn Waßmuth, Thomas Büchling, Guido W. Fuchs, Jürgen Gauss, Thomas F. Giesen
Journal of Molecular Spectroscopy, 350: 43-50 (2018)

Astronomical detection of the radioactive molecule 26AlF in the remnant of an ancient explosion
Tomasz Kamiński, Romuald Tylenda, Karl M. Menten, Amanda Karakas, Jan Martin Winters, Alexander A. Breier, Ka Tat Wong, Thomas F. Giesen, and Nimesh A. Patel.
Nature Astronomy 2, no. 10 (2018): 778–783.

Mass-independent analysis of the stable isotopologues of gas-phase titanium monoxide – TiO
, Alexander A. Breier, Björn Waßmuth, Guido W. Fuchs, Jürgen Gauss, Thomas F. Giesen, and
Journal of Molecular Spectroscopy, 2018, in press, accepted manuscript

2017

Rotational Spectroscopy of the NH3-H2 Molecular Complex
, L. A. Surin, I. V. Tarabukin, S. Schlemmer, A. A. Breier, T. F. Giesen, M. C. McCarthy, A. van der Avoird
The Astrophysical Journal, 838:27, 7 pp. (2017)

Tert-butyl-dibromophosphane tBuPBr₂—A New Chemical Synthesis and First Spectroscopic Characterization
P. Kutzer, S. Hartung, O. Pirali, R. Pietschnig, C. Medcraft, K.M.T. Yamada, T.F. Giesen
Heteroatom. Chem. 00:e21361 (2017)

2016

Lowest bending mode of ¹³C-substituted C₃ and an experimentally derived structure
A.A. Breier, T. Büchling, R. Schnierer, V. Lutter, G.W. Fuchs, K.M.T. Yamada, B. Mookerjea, J. Stutzki, T.F. Giesen
J. Chem. Phys. 145, 23 (2016)

Tert-butyl-dibromophosphane tBuPBr₂—A New Chemical Synthesis and First Spectroscopic Characterization
P. Kutzer, S. Hartung, O. Pirali, R. Pietschnig, C. Medcraft, K.M.T. Yamada, T.F. Giesen
Heteroatom. Chem. 00:e21361 (2017)

Far-infrared spectra of dimethyl ether and its ¹³C-enriched isotopomers: the fundamental band of the C-O-C in-plane bending mode, ν₇
P. Kutzer, D. Weissmann, B. Waßmuth, O. Pirali, P. Roy, K.M.T. Yamada, T.F. Giesen
J. Mol. Spectrosc. 329, 28–34 (2016)

Gas-Phase Spectroscopic Detection and Structural Elucidation of Carbon-Rich Group 14 Binary Clusters: Linear GeC₃Ge
S. Thorwirth, V. Lutter, A.J. Javed, T.F. Giesen
J. Chem. Phys. A 120, 254–259 (2016)

Time-resolved imaging of laser-induced ablation spectroscopy (LIAS) in TEXTOR and comparison with modeling
N. Gierse, M.Z. Tokar, S. Brezinsek, T.F. Giesen, M. Hubeny, A. Huber, V. Philipps, A. Pospieszczyk, G. Sergienko, J. Wegner, Q. Xiao, U. Samm, C. Linsmeier, and the TEXTOR team
Phys. Scr. T167, 014034 (2016)

2015

Laboratory Astrochemistry: From Molecules through Nanoparticles to Grains
, Eds.: S. Schlemmer, T. Giesen, H. Mutschke, C. Jäger
, Wiley-VCH, ISBN: 978-3-527-40889-4 (2015)

2014

In situ deuterium inventory measurements of a-C:D layers on tungsten in TEXTOR using laser-induced ablation spectroscopy
, N. Gierse, S. Brezinsek, J. W. Coenen, T. F. Giesen, A. Huber, M. Laengner, S. Möller, M. Nonhoff, V. Philipps, A. Pospieszczyk, B. Schweer, G. Sergienko, Q. Xiao, M. Zlobinski, U. Samm, and the TEXTOR Team
Phys. Scr. T159, 014054 (2014)

Detection of a dense clump in a filament interacting with W51e2
B. Mookerjea, C. Vastel, G.E. Hassel, M. Gerin, J. Pety, P.F. Goldsmith, J.H. Black, T.F. Giesen, T. Harrison, C.M. Persson, and J. Stutzki
Astronomy and Astrophysics, 566, Art. No. A61 (2014)

2013

High-Resolution Spectroscopy of C₃ around 3 μm
J. Krieg, V. Lutter, C. P. Endres, I. H. Keppeler, P. Jensen, M. E. Harding, J. Vázquez, S. Schlemmer, T. F. Giesen, and S. Thorwirth
J. Phys. Chem. A 117, 3332–3339 (2013)

2012

Far-infrared Fourier-transform spectroscopy of mono-deuterated hydrogen peroxide HOOD
, D. Herberth, O. Baum, O. Pirali, P. Roy, S. Thorwirth, K. M. T. Yamada, S. Schlemmer, and T. F. Giesen
J. Quant. Spectrosc. Radiat. Transfer 113, 1127–1133 (2012)

Chemistry of C₃ and carbon chain molecules in DR21(OH)*
B. Mookerjea, G. E. Hassel, M. Gerin, T. Giesen, J. Stutzki, E. Herbst, J. H. Black, P. F. Goldsmith, K. M. Menten, J. Krełowski, M. De Luca, T. Csengeri, C. Joblin, M. Kazmierczak, M. Schmidt, J. R. Goicoechea, and J. Cernicharo
Astronomy & Astrophysics, 546, A75 (2012)

2011

Herschel Observations of EXtra-Ordinary Sources (HEXOS): Methanol as a Probe of Physical Conditions in Orion KL
, Wang, S., Bergin, E. A., Crockett, N. R., Goldsmith, P. F., Lis, D. C., Pearson, J. C., Schilke, P., Bell, T. A., Comito, C., Blake, G. A., Caux, E., Ceccarelli, C., Cernicharo, J., Daniel, F., Dubernet, M.-L., Emprechtinger, M., Encrenaz, P., Gerin, M., Giesen, T. F., Goicoechea, J. R., Gupta, H., Herbst, E., Joblin, C., Johnstone, D., Langer, W. D., Latter, W. B., Lord, S. D., Maret, S., Martin, P. G., Melnick, G. J., Menten, K. M., and ...
Astron. Astrophys. 527, Art. No. A95 (2011)

A continuous-wave optical parametric oscillator around 5 µm wavelength for high-resolution spectroscopy
J. Krieg, A. Klemann, I. Gottbehüt, S. Thorwirth, T. F. Giesen, S. Schlemmer
Rev. Sci. Instrum. 82, 063105 (2011)

Millimeter-wave Spectroscopy of Titanium Dioxide, TiO₂
P. Kania, M. Hermanns, S. Brünken, H. S. P. Müller, and T. F. Giesen
J. Mol. Spectrosc. 268, 173–176 (2011)

High-resolution OPO spectroscopy of Si₂C₃ at 5 µm: Observation of hot band transitions associated with ν₃
S. Thorwirth, J. Krieg, V. Lutter, I. Keppeler, S. Schlemmer, M. E. Harding, J. Vázquez, and T. F. Giesen
J. Mol. Spectrosc. 270, 75–78 (2011)

Submillimeter-wave Spectroscopy of the K = 2–1 Subband of the Ne–CO Complex
A. V. Potapov, L. A. Surin, S. Schlemmer, T. F. Giesen
J. Mol. Spectrosc. 270, 116–119 (2011)

Characterization of hydrocarbon and mixed layers in TEXTOR by laser-induced ablation spectroscopy
N. Gierse, S. Brezinsek, T. F. Giesen, A. Huber, M. Laengner, R. Leyte-Gonzales, L. Marot, E. Meyer, S. Möller, M. Naiim-Habib, V. Philipps, A. Pospieszczyk, B. Schweer, G. Sergienko, M. Zlobinski, U. Samm, and the TEXTOR team
Physica Scripta T145, 014026 (2011)

Laboratory Astrochemistry in the Infrared: High-Resolution Spectroscopy and Molecular Structure of Carbon-Silicon Clusters
J. Krieg, V. Lutter, I. Gottbehüt, T.F. Giesen, S. Schlemmer, S. Thorwirth
EAS Publications Series, 52, 309–310 (2011)

Laboratory Experimental Methods
T.F. Giesen and K. Jacobs
Springer Tracts in Modern Physics, 241, 179–217 (2011)

2010

The ν₅ Antisymmetric Stretching Mode of Linear C₇ Revisited in High-Resolution
J. Krieg, V. Lutter, F.-X. Hardy, S. Schlemmer, and T. F. Giesen
J. Chem. Phys. 132, Art. No. 224306 (2010)

Theoretical rotation–torsion spectra of HSOH
A. Yachmenev, S. N. Yurchenko, P. Jensen, O. Baum, T. F. Giesen, and W. Thiel
Phys. Chem. Chem. Phys. 12, 8387–8397 (2010)

Strong absorption by interstellar hydrogen fluoride: Herschel/HIFI observations of the line of sight to G10.6-0.4 (W31C)
Neufeld, D. A., Sonnentrucker, P., Phillips, T. G., Lis, D. C., de Luca, M., Goicoechea, J. R., Black, J. H., Gerin, M., Bell, T., Boulanger, F., and Cernicharo, J. and Coutens, A. and Dartois, E. and Kazmierczak, M. and Encrenaz, P. and Falgarone, E. and Geballe, T. R. and Giesen, T. and Godard, B. and Goldsmith, P. F. and Gry, C. and Gupta, H., Hennebelle, P., Herbst, E., Hily-Blant, P., Joblin, C., Kolos, R., Krelowski, J., Martín-Pintado, J., and Menten, K. M. ...
Astron. Astrophys. 518, Art. No. L108 (2010)

Herschel observations of EXtra-Ordinary Sources (HEXOS): Detection of hydrogen fluoride in absorption toward Orion KL
Phillips, T. G., Bergin, E. A., Lis, D. C., Neufeld, D. A., Bell, T. A., Wang, S., Crockett, N. R., Emprechtinger, M., Blake, G. A., Caux, E., and Ceccarelli, C., Cernicharo, J., Comito, C., Daniel, F., Dubernet, M.-L., Encrenaz, P., Gerin, M., Giesen, T. F., Goicoechea, J. R., Goldsmith, P. F., Herbst, E., Joblin, C., Johnstone, D., Langer, W. D., Latter, W. D., Lord, S. D., Maret, S., Martin, P. G., Melnick, G. J., and Menten, K. M. ..
Astron. Astrophys. 518, Art. No. L109 (2010)

Interstellar OH+, H₂O+, and H₃O+ along the line of sight to G10.6-0.4
Gerin, M., de Luca, M., Black, J., Goicoechea, J. R., Herbst, E., Neufeld, D. A., Falgarone, E., Godard, B., Pearson, J. C., Lis, D. C., and Phillips, T. G., Bell, T. A., Sonnentrucker, P., Boulanger, F., Cernicharo, J., Coutens, A., Dartois, E., and Encrenaz, P., Giesen, T., Goldsmith, P. F., Gupta, H., Gry, C., Hennebelle, P., Hily-Blant, P., Joblin, C., Kazmierczak, M., Kolos, R., Krelowski, J., Martin-Pintado, J., Monje, R., Mookerjea, ...
Astron. Astrophys. 518, Art. No. L110 (2010)

Herschel/HIFI observations of interstellar OH+ and H₂O+ toward W49N: a probe of diffuse clouds with a small molecular fraction
Neufeld, D. A., Goicoechea, J. R., Sonnentrucker, P., Black, J. H., Pearson, J., Yu, S., Phillips, T. G., Lis, D. C., de Luca, M., Herbst, E., Rimmer, P., Gerin, M., and Bell, T. A., Boulanger, F., Cernicharo, J., Coutens, A., Dartois, E., Kazmierczak, M., Encrenaz, P., Falgarone, E., Geballe, T. R., Giesen, T., Godard, B., Goldsmith, P. F., Gry, C., Gupta, H., Hennebelle, P., Hily-Blant, P., Joblin, C., Kolos, R., Krelowski, J., and ...
Astron. Astrophys. 521, Art. No. L10 (2010)

Herschel observations of ortho- and para-oxidaniumyl (H₂O+) in spiral arm clouds toward Sagittarius B2(M)
Schilke, P., Comito, C., Müller, H. S. P., and Bergin, E. A., and Herbst, E., and Lis, D. C., and Neufeld, D. A., and Phillips, T. G., and Bell, T. A., and Blake, G. A., Cabrit, S., Caux, E., Ceccarelli, C., Cernicharo, J., Crockett, N. R., Daniel, F., Dubernet, M.-L., Emprechtinger, M., Encrenaz, P., Falgarone, E., Gerin, M., Giesen, T. F., Goicoechea, J. R., Goldsmith, P. F., Gupta, H., Joblin, C., Johnstone, D., Langer, W. D., Latter, W. B., Lord, S. D., and ...
Astron. Astrophys. 521, Art. No. L11 (2010)

Detection of hydrogen fluoride absorption in diffuse molecular clouds with Herschel/HIFI: an ubiquitous tracer of molecular gas
Sonnentrucker, P. and Neufeld, D. A. and Phillips, T. G. and Gerin, M., Lis, D. C., de Luca, M., Goicoechea, J. R., Black, J. H., Bell, T. A., Boulanger, F., and Cernicharo, J., A. Coutens, E. Dartois, M. Kazmierczak, P. Encrenaz, E. Falgarone, T. R. Geballe, T. Giesen, B. Godard, P. F. Goldsmith, C. Gry, H., Hennebelle, P., Herbst, E., Hily-Blant, P., Joblin, C., Kolos, R., Krelowski, J., Martín-Pintado, J., Menten, K. M., and ...
Astron. Astrophys. 521, Art. No. L12 (2010)

Excitation and abundance of C₃ in star-forming cores. Herschel/HIFI observations of the sight-lines to W31C and W49N
Mookerjea, B., Giesen, T., and Stutzki, J., Cernicharo, J., Goicoechea, J. R., de Luca, M., Bell, T. A., Gupta, H., Gerin, M., and Persson, C. M., Sonnentrucker, P., Makai, Z., Black, J., Boulanger, F., Coutens, A., Dartois, E., Encrenaz, P., Falgarone, E., Geballe, T., Godard, B., and Goldsmith, P. F., Gry, C., Hennebelle, P., Herbst, E., Hily-Blant, P., Joblin, C., Kazmierczak, M., Kolos, R., Krelowski, J., Lis, D. C., Martin-Pintado, J. et al.
, Astron. Astrophys. 521, Art. No. L13 (2010)

Herschel observations of EXtra-Ordinary Sources (HEXOS): detecting spiral arm clouds by CH absorption lines
Qin, S.-L. and Schilke, P. and Comito, C. and Möller, T. and Rolffs, R. and Müller, H. S. P. and Belloche, A. and Menten, K. M. and Lis, D. C. and Phillips, T. G. and Bergin, E. A., Bell, T. A., Crockett, N. R., Blake, G. A., Cabrit, S., Caux, E., Ceccarelli, C., Cernicharo, J., Daniel, F., Dubernet, M.-L., Emprechtinger, M. and Encrenaz, P. and Falgarone, E. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R. and Goldsmith, P. F. and Gupta, H. and Herbst, E. and Joblin, C. and ...
Astron. Astrophys. 521, Art. No. L14 (2010)

CH+ (1–0) and¹³CH+ (1–0) absorption lines in the direction of massive star-forming regions
Falgarone, E. and Godard, B., Cernicharo, J., de Luca, M., Gerin, M., Phillips, T. G., Black, J. H., Lis, D. C., Bell, T. A., Boulanger, F., Coutens, A., Dartois, E., and Encrenaz, P., Giesen, T., Goicoechea, J. R., Goldsmith, P. F., Gupta, H., Gry, C., Hennebelle, P., Herbst, E., Hily-Blant, P., Joblin, C., Kazmierczak, M., Kolos, R., Krelowski, J., Martin-Pintado, J., Monje, R., Mookerjea, B., Neufeld, D. A., Perault, M., Pearson, J. C., and ...
Astron. Astrophys. 521, Art. No. L15 (2010)

Interstellar CH absorption in the diffuse interstellar medium along the sight-lines to G10.6-0.4 (W31C), W49N, and W51
Gerin, M. and de Luca, M. and Goicoechea, J. R., Herbst, E., Falgarone, E., Godard, B., Bell, T. A., Coutens, A., Kazmierczak, M., Sonnentrucker, P., Black, J. H., Neufeld, D. A., and Phillips, T. G., Pearson, J., Rimmer, P. B., Hassel, G., Lis, D. C., Vastel, C., Boulanger, F., Cernicharo, J., Dartois, E., Encrenaz, P., Giesen, T., Goldsmith, P. F., Gupta, H., Gry, C., Hennebelle, P., Hily-Blant, P., Joblin, C., Kolos, R., Krelowski, J., and ...
Astron. Astrophys. 521, Art. No. L16 (2010)

Herschel observations of EXtra-Ordinary Sources (HEXOS): The present and future of spectral surveys with Herschel/HIFI
Bergin, E. A., Phillips, T. G., Comito, C., Crockett, N. R., Lis, D. C., Schilke, P., Wang, S., Bell, T. A., Blake, G. A., Bumble, B., Caux, E., Cabrit, S., Ceccarelli, C., and Cernicharo, J., Daniel, F., de Graauw, T., Dubernet, M.-L., Emprechtinger, M., Encrenaz, P., Falgarone, E., Gerin, M., Giesen, T. F., Goicoechea, J. R., Goldsmith, P. F., Gupta, H., Hartogh, P., Helmich, F. P., Herbst, E., Joblin, C., Johnstone, D., Kawamura, J., and ..
, Astron. Astrophys. 521, Art. No. L20 (2010)

Herschel observations of EXtra-Ordinary Sources (HEXOS): The terahertz spectrum of Orion KL seen at high spectral resolution
Crockett, N. R., Bergin, E. A., Wang, S., Lis, D. C., Bell, T. A., Blake, G. A., Boogert, A., Bumble, B., Cabrit, S., Caux, E., Ceccarelli, C., and Cernicharo, J., Comito, C., Daniel, F., Dubernet, M.-L., Emprechtinger, M., Encrenaz, P., Falgarone, E., Gerin, M., Giesen, T. F., Goicoechea, J. R., Goldsmith, P. F., Gupta, H., Güsten, R., Hartogh, P., Helmich, F., Herbst, E., Honingh, N., Joblin, C., Johnstone, D., Karpov, A., and ...
Astron. Astrophys. 521, Art. No. L21 (2010)

Herschel/HIFI measurements of the ortho/para ratio in water toward Sagittarius B2(M) and W31C
Lis, D. C. and Phillips, T. G., Goldsmith, P. F., Neufeld, D. A., Herbst, E., Comito, C., Schilke, P., and Müller, H. S. P., Bergin, E. A., Gerin, M., Bell, T. A., Emprechtinger, M., Black, J. H., Blake, G. A., Boulanger, F., Caux, E., Ceccarelli, C., Cernicharo, J., Coutens, A., Crockett, N. R., Daniel, F., Dartois, E., de Luca, M., Dubernet, M.-L., Encrenaz, P., Falgarone, E., Geballe, T. R., Godard, B., Giesen, T. F., Goicoechea, J. R., and ...
Astron. Astrophys. 521, Art. No. L26 (2010)

Herschel observations of EXtra-Ordinary Sources (HEXOS): Observations of H₂O and its isotopologues toward Orion KL
Melnick, G. J., Tolls, V., Neufeld, D. A., Bergin, E. A., Phillips, T. G., Wang, S., Crockett, N. R., Bell, T. A., Blake, G. A., Cabrit, S., Caux, E., Ceccarelli, C. and Cernicharo, J. and Comito, C. and Daniel, F. and Dubernet, M.-L. and Emprechtinger, M. and Encrenaz, P. and Falgarone, E. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R., Goldsmith, P. F., Herbst, E., Joblin, C., Johnstone, D., Langer, W. D., Latter, W. D., Lis, D. C., Lord, S. D., Maret, S., and ...
Astron. Astrophys. 521, Art. No. L27 (2010)

Herschel observations of deuterated water toward Sgr B2(M)
Comito, C., Schilke, P., Rolffs, R., Lis, D. C., Belloche, A., Bergin, E. A., Phillips, T. G., Bell, T. A., Crockett, N. R., Wang, S., Blake, G. A., Caux, E., Ceccarelli, C., Cernicharo, J., Daniel, F., Dubernet, M.-L., Emprechtinger, M., Encrenaz, P., Gerin, M., Giesen, T. F., Goicoechea, J. R., Goldsmith, P. F., Gupta, H., Herbst, E., Joblin, C., Johnstone, D., Langer, W. D., Latter, W. D., Lord, S. D., Maret, S., Martin, P. G., and ...
Astron. Astrophys. 521, Art. No. L38 (2010)

Nitrogen hydrides in interstellar gas. Herschel/HIFI observations toward G10.6-0.4 (W31C)
Persson, C. M., Black, J. H., and Cernicharo, J., Goicoechea, J. R., Hassel, G. E., Herbst, E., Gerin, M., de Luca, M., Bell, T. A., Coutens, A., Falgarone, E., Goldsmith, P. F., Gupta, H., Kazmierczak, M., Lis, D. C., Mookerjea, B., Neufeld, D. A., Pearson, J., Phillips, T. G., Sonnentrucker, P., Stutzki, J., Vastel, C., Yu, S., Boulanger, F., Dartois, E., Encrenaz, P., Geballe, T. R., Giesen, T., Godard, B., Gry, C., Hennebelle, P., and ...
Astron. Astrophys. 521, Art. No. L45 (2010)

Detection of OH+ and H₂O+ toward Orion KL
Gupta, H., Rimmer, P., Pearson, J. C., Yu, S., Herbst, E., Harada, N., Bergin, E. A., Neufeld, D. A., Melnick, G. J., Bachiller, R., Baechtold, W., and Bell, T. A., Blake, G. A., Caux, E., Ceccarelli, C., Cernicharo, J., Chattopadhyay, G., Comito, C., Cabrit, S., Crockett, N. R., Daniel, F., Falgarone, E., Diez-Gonzalez, M. C., Dubernet, M.-L., Erickson, N., Emprechtinger, M., Encrenaz, P., Gerin, M., Gill, J. J., Giesen, T. F., and ...
Astron. Astrophys. 521, Art. No. L47 (2010)

Reversal of infall in SgrB2(M) revealed by Herschel/HIFI observations of HCN lines at THz frequencies
R. Rolffs, P. Schilke, C. Comito, E. A. Bergin, F. F. S. Van Der Tak, D. C. Lis, S.-l. Qin, K. M. Menten, R. Güsten, T. A. Bell, G. A. Blake, E. Caux, C. Ceccarelli, J. Cernicharo, N. R. Crockett, F. Daniel, M.-l. Dubernet, M. Emprechtinger, P. Encrenaz, M. Gerin, T. F. Giesen, J. R. Goicoechea, P. F. Goldsmith, H. Gupta, E. Herbst, C. Joblin, D. Johnstone, W. D. Langer, W. D. Latter, S. D. Lord, S. et al.
Astron. Astrophys. 521, L46 (2010)

Herschel/HIFI discovery of interstellar chloronium (H₂Cl+)
D. C. Lis, J. C. Pearson, D. A. Neufeld, P. Schilke, H. S. P. Müller, H. Gupta, T. A. Bell, C. Comito, T. G. Phillips, E. A. Bergin, C. Ceccarelli, P. F. Goldsmith, G. A. Blake, A. Bacmann, A. Baudry, M. Benedettini, A. Benz, J. Black, A. Boogert, S. Bottinelli, S. Cabrit, P. Caselli, A. Castets, E. Caux, J. Cernicharo, C. Codella, A. Coutens, N. Crimier, N. R. Crockett, F. Daniel, K. Demyk, C. Dominic, M.-L. Dubernet, M. Emprechtinger, P. Encrenaz, E. Falgarone, A. Fuente, M. Gerin, T. F. Giesen, J. R. Goicoechea, F. Helmich, P. Hennebelle, Th. Henning, E. Herbst, P. Hily-blant, Å. Hjalmarson, D. Hollenbach, T. Jack, C. Joblin, D. Johnstone, C. Kahane, et al.
Astron. Astrophys. 521, L9 (2010)

Detection of interstellar oxidaniumyl: Abundant H₂O+ toward the star-forming regions DR21, Sgr B2, and NGC6334
V. Ossenkopf, H. S. P. Müller, D. C. Lis, P. Schilke, T. A. Bell, S. Bruderer, E. Bergin, C. Ceccarelli, C. Comito, J. Stutzki, A. Bacman, A. Baudry, A. O. Benz, M. Benedettini, O. Berne, G. Blake, A. Boogert, S. Bottinelli, F. Boulanger, S. Cabrit, P. Caselli, E. Caux, J. Cernicharo, C. Codella, A. Coutens, N. Crimier, N. R. Crockett, F. Daniel, K. Demyk, P. Dieleman, C. Dominik, M. L. Dubernet, M. Emprechtinger, P. Encrenaz, E. Falgarone, K. France, A. Fuente, M. Gerin, T. F. Giesen, A. M. Di Giorgio, J. R. Goicoechea, et al.
Astron. Astrophys. 518 L111 (2010)

2009

Sub-millimeter wave spectroscopy of the C₃H radical: Ro-vibrational transitions from the ground state to the lowest bending state
M. Caris, T. F. Giesen, C. Duan, H. S. P. Müller, S. Schlemmer, K. M. T. Yamada
J. Mol. Spectrosc. 253, 99–105 (2009)

The Rotational Gas-Phase Spectrum of trans- and cis-HSSOH at 100 GHz
M. Koerber, O. Baum, U. Hahn, J. Gauss, T. F. Giesen, and S. Schlemmer
J. Mol. Spectrosc. 257, 34–39 (2009)

Characterization of cis- and trans-HSSOH via Rotational Spectroscopy and Quantum-Chemical Calculations
M. Koerber, O. Baum, T. F. Giesen, S. Schlemmer, J. Hahn, and J. Gauss
Inorg. Chem. 48, 2269–2272 (2009)

The torsional and asymmetry splittings in HSOH
Yamada, K. M. T., Jensen, P., Ross, S. C., Baum, O., Giesen, T. F., and Schlemmer, S.
J. Mol. Struct. 927, 96–100 (2009)

Search for corannulene (C₂₀H₁₀) in the Red Rectangle
Pilleri, P., Herberth, D., Giesen, T. F., Gerin, M., Joblin, C., Mulas, G., Malloci, G., Grabow, J.-U., Brünken, S., Surin, L., Steinberg, B. D., Curtis, K. R., and Scott, L. T.
Mon. Not. R. Astron. Soc. 297, 1053–1060 (2009)

An Ab Initio Calculation of the Vibrational Energies and Transition Moments of HSOH
S. N. Yurchenko, A. Yachmenev, W. Thiel, O. Baum, T. F. Giesen, V. V. Melnikov, and P. Jensen
J. Mol. Spectrosc. 257, 57–65 (2009)

Rotational Spectroscopy of the CO-para-H₂ Molecular Complex
Potapov, A. V., Surin, L. A., Panfilov, V. A., Dumesh, B. S., Giesen, T. F., Schlemmer, S., Raston, P. L., and Jäger, W.
Astrophys. J. 703, 2108–2112 (2009)

Dimethyl Ether: Laboratory Spectra up to 2.1 THz. Torsion-Rotational Spectra within the Vibrational Ground State
Endres, C. P., Drouin, B. J., Pearson, J. C., Müller, H. S. P., Lewen, F., Schlemmer, S., and Giesen, T. F.
Astron. Astrophys. 504, 635–640 (2009)

Rotational Transitions within the 2¹, 3¹, 4¹, and 6¹ States of Formaldehyde H₂¹²C¹⁶O
L. Margulès, A. Perrin, R. Janeckovà, S. Bailleux, C. P. Endres, T. F. Giesen, and S. Schlemmer
Can. J. Phys. 87, 425–435 (2009)

2008

Theoretical rotation-torsion energies of HSOH
, Ovsyannikov, R. I., Melnikov, V. V., Thiel, W., Jensen, P., Baum, O., Giesen, T. F., and Yurchenko, S. N.
J. Chem. Phys. 129, Art. No. 154314 (2008)

High-Resolution Rotational Spectroscopy in a Cold Ion Trap: H₂D+ and D₂H+
Asvany, O., Ricken, O., Müller, H. S. P., Wiedner, M. C., Giesen, T. F., and Schlemmer, S.
Phys. Rev. Lett. 100, Art. No. 233004 (2008)

Rotational spectra and hyperfine structure of isotopic species of deuterated cyanoacetylene, DC₃N
Spahn, H., Müller, H. S. P., Giesen, T. F., and Grabow, J.-U., Harding, M. E., Gauss, J., and Schlemmer, S.
Chem. Phys. 346, 132–138 (2008)

High-resolution infrared measurements on HSOH: Analysis of the OH fundamental vibrational mode
Baum, O., and Giesen, T. F. and Schlemmer, S.
J. Mol. Spectrosc. 247, 25–29 (2008)

Fully reflective external-cavity setup for quantum-cascade lasers as a local oscillator in mid-infrared wavelength heterodyne spectroscopy
Stupar, D. and Krieg, J. and Krötz, P. and Sonnabend, G. and Sornig, M. and Giesen, T. F. and Schieder, R.
Appl. Opt. 47, 2993–2997 (2008)

The rotational spectrum of H³²SOH and H³⁴SOH above 1 THz
Baum, O., Koerber, M., Ricken, O., Winnewisser, G., Yurchenko, S. N., Schlemmer, S., and Yamada, K. M. T., and Giesen, T. F.
J. Chem. Phys. 129, Art. No. 224312 (2008)

High-Resolution Laboratory Terahertz Spectroscopy and Applications to Astrophysics; in *Frontiers of Molecular Spectroscopy*
Jaan Laane (ed.), S. Schlemmer, T.F. Giesen, F. Lewen, and G. Winnewisser (2008)

2007

Application of superlattice multipliers for high-resolution terahertz spectroscopy
Endres, C. P., Lewen, F., Giesen, T. F., Schlemmer, S., and Paveliev, D. G., Koschurinov, Y. I., Ustinov, V. M., and Zhucov, A. E.
Rev. Sci. Instrum. 78, Art. No. 043106 (2007)

High-resolution infrared spectra of the linear carbon cluster C₇: The ν₄ stretching fundamental band and associated hot bands
Neubauer-Guenther, P., Giesen, T. F., Schlemmer, S., and Yamada, K. M. T.
J. Chem. Phys. 127, Art. No. 014313 (2007)

High-resolution rotational spectroscopy on D₂O up to 2.7 THz in its ground and first excited vibrational bending states
Brünken, S., Müller, H. S. P., Endres, C., Lewen, F., Giesen, T., Drouin, B., Pearson, J. C., and Mäder, H.
Phys. Chem. Chem. Phys. 9, 2103–2112 (2007)

Higher Energy States in the CO Dimer: Millimeter-Wave Spectra and Rovibrational Calculations
L. A. Surin, D. N. Fourzikov, T. F. Giesen, S. Schlemmer, G. Winnewisser, V. A. Panfilov, B. S. Dumesh, G. W. M. Vissers, A. van der Avoird
J. Phys. Chem. A 111, 12238–12247 (2007)

2006

Isotope Effects in the CO Dimer: Millimeter-Wave Spectrum and Rovibrational Calculations of (¹²C¹⁸O)₂
, Surin, L. A., and Fourzikov, D. N., Giesen, T. F., Schlemmer, S., Winnewisser, G., Panfilov, V. A., Dumesh, B. S., Vissers, G. W. M., and van der Avoird, A.
J. Chem. Phys. 125, Art. No. 4304 (2006)

Gas-phase detection of HSOD and empirical equilibrium structure of oxadisulfane
Baum, O., Esser, S., Gierse, N., Brünken, S. and Lewen, F. and Hahn, J. and Gauss, J. and Schlemmer, S. and Giesen, T. F.
J. Mol. Spectrosc. 795, 256–262 (2006)

High-resolution rotation-inversion spectroscopy on doubly deuterated ammonia, ND₂H, up to 2.6 THz
Endres, C. P., Müller, H. S. P., Brünken, S., Paveliev, D. G., Giesen, T. F., and Schlemmer, S. and Lewen, F.
J. Mol. Struct. 795, 242–255 (2006)

Millimeter-wave study of the CO–N₂ van der Waals complex: new measurements of CO–ortho-N₂ and assignments of new states of CO–para-N₂
Surin, L. A., Potapov, A. V., Müller, H. S. P., Panfilov, V. A., Dumesh, B. S., Giesen, T. F., and Schlemmer, S.
J. Mol. Struct. 795, 198–208 (2006)

The spectrum of ethylene from microwave to submillimeter-wave
Willaert, F., Demaison, J., Margules, L., Mäder, H., Spahn, H., Giesen, T., and Fayt, A.
Mol. Phys. 104, 273–292 (2006)

Biography of Professor Gisbert Winnewisser
S. Urban, T.F. Giesen, P. Jensen
J. Mol Struct. 795, 1–3 (2006)

2005

Experimental Determination of the ν₅ Cis-Bending Vibrational Frequency and Renner-Teller Structure in the Ground State of (X²Πu) C₂H₂+ Using Laser-Induced Reactions
Asvany, O., Giesen, T., Redlich, B., and Schlemmer, S.
Phys. Rev. Lett. 94, Art. No. 073001 (2005)

Comparison of the cis-bending and C–H stretching vibrations in the reaction of C₂H₂⁺ with H₂ using laser-induced reactions
Schlemmer, S., Asvany, O., Giesen, T.
Phys. Chem. Chem. Phys. 7, 1592–1600 (2005)

Trans-ethyl methyl ether in space. A new look at a complex molecule in selected hot core regions
Fuchs, G. W., Fuchs, U., Giesen, T. F., and Wyrowski, F.
Astron. Astrophys. 444, 521–530 (2005)

Analysis of the rotational spectrum of methylene (CH₂) in its vibronic ground state with an Euler expansion of the Hamiltonian
Brünken, S., Müller, H. S. P., Lewen, F., and Giesen, T. F.
J. Chem. Phys. 123, Art. No. 164315 (2005)

Asymmetric rotor analysis of DSOD spectra up to therQ₃ branch near 653 GHz
Brünken, S., Behnke, M., Thorwirth, S., Yamada, K. M. T., Giesen, T., Lewen, F., Hahn, J., and Winnewisser, G.
J. Mol. Struct. 742, 237–242 (2005)

Before 2005

The Quest for C₂N in Space
, Fuchs, G. W., Fuchs, U., Giesen, T. F., and Wyrowski, F.
, Astron. Astrophys. 426, 517–521 (2004)

High-resolution spectroscopy of HCN isotopomers: H¹³CN, HC¹⁵N, andH¹³C₁₅Nin the ground and first excited bending vibrational states
Fuchs, U., Brünken, S., Fuchs, G. W., Thorwirth, S., Ahrens, V., Lewen, F., and Urban, S., Giesen, T. F., Winnewisser, G.,
, Z. Naturforsch. 59a, 861–872 (2004)

High-resolution terahertz spectrum of CH₂: low-J rotational transitions near 2 THz
Brünken, S., Michael, E. A., Lewen, F., Giesen, T., Ozeki, H., Winnewisser, G., Jensen, P., and Herbst, E.
Can. J. Chem. 82, 676–683 (2004)

Sub-Doppler and Doppler spectroscopy of DCN isotopomers in the terahertz region: ground and first excited bending states (ν₁ν₂ν₃)=(01e,f0)
Brünken, S. and Fuchs, U. and Lewen, F. and Urban, S. and Giesen, T. and Winnewisser, G.
J. Mol. Spectrosc. 225, 152–161 (2004)

Terahertz Spectroscopy of Linear Triatomic CCC: High-Precision Laboratory Measurement and Analysis of the Ro-Vibrational Bending Transitions
Ralf Gendriesch, Kai Pehl, Thomas Giesen, Gisbert Winnewisser, and Frank Lewen
Z. Naturforsch. 58a, 129–138 (2003)

Spectroscopy of Linear Carbon Chain Radicals – The Case ofCnNChains
G. W. Fuchs, U. Fuchs, T. F. Giesen, G. Winnewisser, F. Wyrowski, M. C. McCarthy, C. A. Gottlieb, J. Kucera, P. Thaddeus
The Dense Interstellar Medium in Galaxies, Proceedings of the 4th Cologne-Bonn-Zermatt Symposium, Springer, Berlin, Eds.: S. Pfalzner, C. Kramer, C. Straubmeier, A. Heithausen, 99 (2003)

The Cologne Carbon Cluster Experiment: ro-vibrational spectroscopy on C₈ and other small carbon clusters
P. Neubauer-Guenther, T.F. Giesen, U. Berndt, G. Fuchs, G. Winnewisser
Spectrochimica Acta Part A 59 431/441 (2002)

Detection of the Linear Carbon Cluster C₁₀: Rotationally Resolved Diode-Laser Spectroscopy
Thomas F. Giesen, Ute Berndt, Koichi M. T. Yamada, Guido Fuchs, Rudolf Schieder, Gisbert Winnewisser, Robert A. Provencal, Frank N. Keutsch, Alan Van Orden, and Richard J. Saykally
CHEMPHYSCHEM 2001, No. 4, 242–247 (2001)

Interstellar Detection of CCC and High-Precision Laboratory Measurements near 2 THz
T. F. Giesen, A. O. Van Orden,¹ J. D. Cruzan, R. A. Provencal, R. J. Saykally, R. Gendriesch, F. Lewen, and G. Winnewisser
The Astrophysical Journal, 551:L181–L184 (2001)

IR laser spectroscopy of carbon clusters
T. F. Giesen, U. Berndt, G. Fuchs, G. Winnewisser, R.A. Provencal, F.N. Keutsch, A. Van Orden, R.J. Saykally
The Physics and Chemistry of Clusters: Proceedings of the Nobel Symposium 117, Visby, Sweden, 2000; eds.: E.E.B. Campbell, M. Larsson, World Scientific, London, 309 (2001)

The tunable diode laser: a versatile spectroscopic tool
G. Winnewisser, T. Drascher, T. Giesen, I. Pak, F. Schmülling, R. Schieder
Spectrochimica Acta Part A 55, 2121–2142 (1999)

The¹∏u—← X ¹∑g+ electronic spectrum of C₅ in the gas phase
Tomasz Motylewski, Olga Vaizert, Thomas F. Giesen, Harold Linnartz, and John P. Maier
J. of Chem. Phys. 111, 14 (1999)

Temperature-Dependent Line Shift and Broadening of CO Infrared Transitions
T. Drascher, T. F. Giesen, T. Y. Wang, N. Schmücker, R. Schieder, G. Winnewisser, P. Joubert, and J. Bonamy
J. of Mol. Spec. 192, 268–276 (1998)

Pressure Broadening and Shift of Some H₂O Lines in the ν₂ Band: Revisited
N. Schmücker, Ch. Trojan, T. Giesen, R. Schieder, K. M. T. Yamada, and G. Winnewisser
J. of Mol. Spec. 184, 250–256 (1997)

Characterization of silicon-carbon clusters by infrared laser spectroscopy. The ν₁ band of SiC₄
A. Van Orden, R.A. Provencal, T.F. Giesen, R.J. Saykally
Chemical Physics Letters 237, 77–80 (1995)

A Search for the C₃ Carbon Cluster in the Interstellar Medium
A. Van Orden, J.D. Cruzan, R.A. Provencal, T.F. Giesen, R.T. Boreiko, A.L. Betz, and R.J. Saykally
ASP Conference Series, Vol. 73, 67–70 (1995)

Characterization of silicon-carbon clusters by infrared laser spectroscopy: The ν3(σu) band of linear Si₂C₃
A. Van Orden, T. F. Giesen, R. A. Provencal, H. J. Hwang, and R. J. Saykally
J. Chem. Phys. 101, 12 (1994)

Infrared Laser Spectroscopy of the Linear C₁₃ Carbon Cluster
T.F. Giesen, A. Van Orden, H.J. Hwang, R.S. Fellers, R.A. Provencal, R.J. Saykally
Science, New Series, Vol. 265, No. 5173, 756–759 (1994)

Survey Study of Air-Broadened Water Vapor Lines in the ν₂ Band by High-Resolution FTIR Spectroscopy
K.M.T. Yamada, M. Harter and T. Giesen
Journal of Molecular Spectroscopy 157, 84–94 (1993)

Precise Measurements of Pressure Broadening and Shift for Several H₂O Lines in the ν₂ Band by Argon, Nitrogen, Oxygen, and Air
T. Giesen, R. Schieder, G. Winnewisser, and K. M. T. Yamada
J. of Mol. Spec. 153, 406–418 (1992)

Measurements of Pressure Effects with a Stabilized IR Diode Laser Spectrometer
N. Anselm, T. Giesen, M. Harter, R. Schieder, G. Winnewisser
Proceedings of Monitoring of Gaseous Pollutants by Tunable Diode Lasers, Freiburg, Germany, 1991, Eds.: R. Grisar, H. Böttner, M. Tacke, G. Restelli, (Kluwer Academic Publishers, Dordrecht) 231–240 (1992)

High-resolution spectroscopy using a stabilized diode laser: the 2ν₉ band of HNO₃
T. Giesen, M. Harter, R. Schieder, G. Winnewisser, K.M.T. Yamada
Z. Naturforsch. 43a, 402–406 (1988)

Bachelor's Theses

  • Astrophotography and Possible Applications
    Bock, Alexander (2020)

  • Rotational Spectroscopic Characterization of a Solid Hydrogen Peroxide Sample
    Neumann, Thies (2018)

  • Development of a Tracking Optics System for Spectroscopy Using Infrared Moonlight
    Eilmes, Ilian (2018)

  • Temperature Measurement of a Laser Ablation Plasma
    Baldeh, Joshua (2017)

  • Hyperfine structure of deuterated water
    Döring, Eileen (2016)

  • Search for Hydrogen Peroxide (HOOH) in the Astrophysical Sources R CrA-IRS5A and IRAS-2A
    Stanclik, Benjamin (2016)

  • The Systematics of the APEX 12m Hydrogen Peroxide Observation Campaign of the Sources R CrA-IRS5A and IRAS-2A
    Kempkes, Mona (2016)

  • Investigation and Control
    of a Quadrupole Mass Filter
    Stahl, Pascal (2015)

  • Modeling of a circumstellar environment
    Linß, Arthur (2015)

  • Spectroscopy of carbon-containing molecules
     in a supersonic jet
    Preiß, Helen (2015)

  • Infrared spectroscopy of the normal vibrations of dimethyl ether
    and its ¹³C carbon isotopologues
    Waßmuth, Björn (2014)

  • Optical spectroscopy of astrophysically relevant molecules in a supersonic jet
    Chantzos, Johanna (2013)
  • Reduction of water absorption for the SuJeSTA terahertz spectrometer
    Kötting, Justus (2012)

  • Vibrationally excited states of singly deuterated hydrogen peroxide, HOOD
    Terpe, Henriette (2011)

  • Development of a multi-reflection optical system for the lower terahertz range
    Hutzenlaub, Jan Kai (2010)

  • Rotational spectroscopy of HOOD
    Schäfer, Mirko (2009)

Master's Theses

  • High-Resolution Rotational Spectroscopy of Metal-Containing Diatomic Molecules
    Waßmuth, Björn (2017)

  • Construction of a chirped-pulse microwave spectrometer with a supersonic jet
    Stahl, Pascal (2017)

  • Construction and Characterization of a Chirped-Pulse Microwave Spectrometer
    Chantzos, Johanna (2016)

  • High-Resolution Terahertz Spectroscopy of C₃ Molecules and Their ¹³C Isotopologues
    Büchling, Thomas (2015)
  • Construction of a multimode infrared spectrometer
    Witsch, Daniel (2015)

Theses

 

Doctoral dissertations

  • High-Resolution Microwave Spectroscopy of Radioactive Molecules
    , Breier, Alexander A. (2019)

  • Far-Infrared Spectroscopy of Dimethyl Ether and Its ¹³C-Enriched Isotopologues and First Spectroscopic Characterization of Tert-Butyl Dibromophosphane
    Kutzer, Pia (2016)

  • Infrared Laser Spectroscopy of Silicon and Germanium Carbon Compounds
    Lutter, Volker (2015)

  • Assessment of Laser-Induced Ablation Spectroscopy (LIAS) as a Method for Quantitative In Situ Surface Diagnostics in Plasma Environments
    Gierse, Niels (2014)

  • Terahertz Spectroscopy of Dimethyl Ether
    Endres, Christian (2009)
  • HSOH—An Elusive Species with Many Different Traits
    Baum, Oliver (2008)