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Department of Chemistry Jan Helbing

Related Publications

Development of time-resolved chiral infrared spectroscopy

Bonmarin, M.; Helbing, J., Time-Resolved Vibrational Circular Dichroism and Optical Rotation with Femtosecond Laser Pulses. In Ultrafast Phenomena XVII, Chergui, M.; Jonas, D. M.; Riedle, E.; Schoenlein, R. W.; Taylor, A. J., Eds. Oxford University Press: 2010; pp 862-864.

Jan Helbing and Mathias Bonmarin. Vibrational Chiral Spectroscopy with Femtosecond Laser Pulses. Proceedings of the API’09 workshop Advanced Polarimetric Insturmentation DOI: 10.1051/epjconf/20100503004 (2010)

Helbing, J.; Bonmarin, M., Time-Resolved Chiral Vibrational Spectroscopy. Chimia 2009, 63, (3), 128-133.

Bonmarin, M.; Helbing, J., Polarization control of Ultrashort Mid-IR Laser Pulses for Transient Vibrational Circular Dichroism Measurements. Chirality 2009, 21, E298-E306.

Mathias Bonmarin and Jan Helbing. A Picosecond Transient Vibrational Ciruclar Dichroism Spectrometer. Optics Letters.33 (2008) 2086-2089 Link to the publication

Polarization enhanced Linear Dichroism and 2D-IR spectroscopy

Réhault, J.; Helbing, J., Angle determination and scattering suppression in polarization-enhanced two-dimensional infrared spectroscopy in the pump-probe geometry. Optics Express 2012, 20, (19), 21665-21677.

Réhault, J.; Zanirato, V.; Olivucci, M.; Helbing, J., Linear dichroism amplification: Adapting a long-known technique for ultrasensitive femtosecond IR spectroscopy. J. Chem. Phys. 2011, 134, (12), 124516.

A “kit” and detailed plans for the construction of an easy-to-handle 2D-IR spectrometer is available upon request.

Jan Helbing and Peter Hamm. A compact implementation of Fourier transform 2D-IR spectroscopy without phase ambiguity. J. Opt. Soc. Am B 28,171-178, (2011).

Time-resolved IR-spectroscopy of novel photoswitches

Briand, J.; Bräm, O.; Réhault, J.; Léonard, J.; Cannizzo, A.; Chergui, M.; Zanirato, V.; Olivucci, M.; Helbing, J.; Haacke, S., Coherent ultrafast torsional motion and isomerization of a biomimetic dipolar photoswitch. Phys. Chem. Chem. Phys. 2009, 12, 3178.

Briand, J.; Sharma, D.; Leonard, J.; Helbing, J.; Cannizzo, A.; Chergui, M.; Zanirato, V.; Haacke, S.; Olivucci, M., Ultrafast Isomerization Dynamics of Biomimetic Photoswitches. In Springer Series in Chemical Physics. Ultrafast Phenomena XVI, Corkum, P.; deSilvestri, S.; Nelson, K. A.; Riedle, E.; Schoenlein, R. W., Eds. 2009; Vol. 92, pp 343-345.

Adalgisa Sinicropi, Elena Martin, Jan Helbing, Julien Briand, Divya Sharma, Jérémie Léonard, Stefan Haacke, Andrea Canizzo, Majed Chergui, Vinicio Zanirato, Stefania Fusi, Fabrizio Santoro, Riccardo Basosi Nicolas Ferré, and Massimo Olivucci. An Artificial Molecular Switch that Mimics the Visual Pigment and Completes its Photocycle in Picoseconds. Proc. Natl. Acad. Sci. U.S.A (2008) 105, (46), 17642-17647.

Conformational dynamics of thiopeptides

Valentina Cervetto, Peter Hamm, Jan Helbing. Transient 2D-IR Spectroscopy of Thiopeptide Isomerization. J. Phys. Chem. B 112 , 8398-8405 (2008).

Valentina Cervetto, Rolf Pfister, Christoph Kolano, Harald Bregy, Heinz Heimgartner, and Jan Helbing. Coexistence of Cyclic H-Bonded and Open Tetrapeptide Conformation. Chemistry - A European Journal 13, 9004-9011 (2007).

Valentina Cervetto, Harald Bregy, Peter Hamm, Jan Helbing. Time-resolved IR spectroscopy of N-Methylthioacetamide: trans ® cis isomerization upon n- p * and p-p * excitation and cis->trans photoreaction. The Journal of Physical Chemistry A, 110 , 11473-11478 (2006)

Jan Helbing, Harald Bregy, Jens Bredenbeck, Rolf Pfister, Peter Hamm, Robert Huber, Josef Wachtveitl, Luca De Vico, Massimo Olivucci. A Fast Photoswitch for Minimally Perturbed Peptides: Investigation of the trans -> cis Photoisomerization of N-Methylthioacetamide. Journal of the American Chemical Society 126, 8823-8834 (2004).