Principles and Applications of Broadband Impulsive Vibrational Spectroscopy by Liebel, M, Schnedermann, C, Wende, T, Kukura, P

“…We present an experimental setup for recording vibrational coherences and thereby Raman spectra of molecules in their ground and excited electronic states over the 50-3000 cm(-1) spectral range using broadband impulsive vibrational spectroscopy. …”

Probing the molecular basis of photochemistry and photophysics with vibrational coherence spectroscopy by Schnedermann, C

“…<p>We present a time-domain impulsive vibrational spectroscopy (IVS) setup capable of recording background- and baseline-free Raman spectra of excited electronic states in condensed-phase molecular systems. …”

Understanding molecular dynamics with coherent vibrational spectroscopy in the time-domain by Liebel, M

“…<p>This thesis describes the development of several spectroscopic methods based on impulsive vibrational spectroscopy as well as of the technique itself.…”

Evidence for a vibrational phase-dependent isotope effect on the photochemistry of vision by Schnedermann, C, Yang, X, Liebel, M, Spillane, K, Lugtenburg, J, Fernández, I, Valentini, A, Schapiro, I, Olivucci, M, Kukura, P, Mathies, R

“…Despite increasing evidence for coherent coupling of electronic states being mediated by vibrational motion, it is not clear how and to what degree properties associated with vibrational coherence such as phase and coupling of atomic motion can impact the efficiency of light-induced processes under natural, incoherent illumination. …”

Broadband impulsive vibrational spectroscopy of excited electronic states in the time domain by Liebel, M, Kukura, P

“…We demonstrate that transient absorption spectroscopy performed with an ultrashort pump pulse and a chirped, broad-band probe pulse is capable of recording full vibrational spectra of excited electronic states in the time domain. …”

Vibrationally coherent crossing and coupling of electronic states during internal conversion in β-carotene. by Liebel, M, Schnedermann, C, Kukura, P

“…We show that passage through a conical intersection is vibrationally coherent and thereby provides direct feedback on the role of different vibrational coordinates in the breakdown of the Born-Oppenheimer approximation.…”

Femtosecond broadband stimulated Raman: a new approach for high-performance vibrational spectroscopy. by McCamant, D, Kukura, P, Mathies, R

“…Femtosecond stimulated Raman spectroscopy (FSRS) is a new technique that produces high-quality vibrational spectra free from background fluorescence. …”

Mode-specificity of vibrationally coherent internal conversion in rhodopsin during the primary visual event. by Schnedermann, C, Liebel, M, Kukura, P

“…Using ultra-broadband and highly time-resolved optical spectroscopy, we follow the evolution of vibrational wavepackets after passage through a conical intersection during the primary visual event, the 11-cis to all-trans photoisomerization of the retinal chromophore in rhodopsin. …”

Population-controlled impulsive vibrational spectroscopy: background- and baseline-free Raman spectroscopy of excited electronic states. by Wende, T, Liebel, M, Schnedermann, C, Pethick, R, Kukura, P

“…The latter allows for the experimental isolation of excited-state vibrational coherence and, hence, vibrational spectra. …”

Vibrational structure of the S(2) (1B(u)) excited state of diphenyloctatetraene observed by femtosecond stimulated Raman spectroscopy. by Kukura, P, McCamant, D, Davis, P, Mathies, R

“…Femtosecond time-resolved stimulated Raman spectroscopy (FSRS) is used to study the vibrational structure and dynamics of the S(2) state of diphenyloctatetraene. …”

Femtosecond Time-Resolved Stimulated Raman Spectroscopy of the S(2) (1B(u)) Excited State of beta-Carotene. by Kukura, P, McCamant, D, Mathies, R

“…The electronic and vibrational structure of beta-carotene's early excited states are examined using femtosecond time-resolved stimulated Raman spectroscopy. …”

Direct observation of anharmonic coupling in the time domain with femtosecond stimulated Raman scattering. by Kukura, P, Frontiera, R, Mathies, R

“…Off-resonant impulsive Raman excitation is used to initiate nonstationary nuclear motion in low-frequency vibrational modes of deuterio-chloroform. Femtosecond time-resolved stimulated Raman probing of the high-frequency C-D stretch reveals additional vibrational sidebands that arise as a result of anharmonic coupling between the impulsively excited low-frequency and the probed high-frequency vibrations. …”

Femtosecond stimulated Raman spectroscopy. by Kukura, P, McCamant, D, Mathies, R

“…Femtosecond stimulated Raman spectroscopy (FSRS) is a new ultrafast spectroscopic technique that provides vibrational structural information with high temporal (50-fs) and spectral (10-cm(1)) resolution. …”

Femtosecond Time-Resolved Stimulated Raman Spectroscopy: Application to the Ultrafast Internal Conversion in beta-Carotene. by McCamant, D, Kukura, P, Mathies, R

“…We have developed the technique of femtosecond stimulated Raman spectroscopy (FSRS), which allows the rapid collection of high-resolution vibrational spectra on the femtosecond time scale. FSRS combines a sub-50 fs actinic pump pulse with a two-pulse stimulated Raman probe to obtain vibrational spectra whose frequency resolution limits are uncoupled from the time resolution. …”

Theory of femtosecond stimulated Raman spectroscopy. by Lee, S, Zhang, D, McCamant, D, Kukura, P, Mathies, R

“…Femtosecond broadband stimulated Raman spectroscopy (FSRS) is a new technique that produces high-resolution (time-resolved) vibrational spectra from either the ground or excited electronic states of molecules, free from background fluorescence. …”

Femtosecond stimulated Raman study of excited-state evolution in bacteriorhodopsin. by McCamant, D, Kukura, P, Mathies, R

“…Additionally, dispersive vibrational lines appear at the locations of the ground-state vibrational frequencies and decay with a 260-fs time constant. …”

Structural observation of the primary isomerization in vision with femtosecond-stimulated Raman. by Kukura, P, McCamant, D, Yoon, S, Wandschneider, D, Mathies, R

“…We used femtosecond-stimulated Raman spectroscopy to obtain time-resolved vibrational spectra of the molecular structures formed along the reaction coordinate. …”

Revealing the role of excited state nuclear coherence in the photoisomerisation of bacteriorhodopsin by population assisted impulsive Raman by Liebel, M, Kukura, P

“…Similarly, the relaxed vibrational structure of the excited state is yet to be determined. © 2013 IEEE.…”

Balanced-detection Raman-induced Kerr-effect spectroscopy by Kumar, V, Casella, M, Molotokaite, E, Gatti, D, Kukura, P, Manzoni, C, Polli, D, Marangoni, M, Cerullo, G

“…In addition, it allows straightforward selection of either the imaginary or the real part of the nonlinear vibrational response. © 2012 American Physical Society.…”

Two-dimensional impulsively stimulated resonant raman spectroscopy of molecular excited states by Fumero, G, Schnedermann, C, Batignani, G, Wende, T, Liebel, M, Bassolino, G, Ferrante, C, Mukamel, S, Kukura, P, Scopigno, T

“…Monitoring the interactions between electronic and vibrational degrees of freedom in molecules is critical to our understanding of their structural dynamics. …”