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Chapter and Conference Paper
Dynamics of the Hydrogen-Bond in Liquid Water
Intermolecular O-O movement in the fundamental electronic state is fully resolved for the first time for the hydrogen bond in liquid water and compared with a theoretical model. Strongly varying energy relaxat...
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Chapter and Conference Paper
Ultrafast Visible Optical Parametric Oscillators: A Route to Tunable Sub-10-Femtosecond Pulses?
The potential of optical parametric oscillators for extreme ultrashort pulse generation in the visible is explored using the example of a blue-pumped ß-barium borate device.
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Chapter
Generation of Highly Coherent Tunable Femtosecond Pulses at 82 MHz in the Visible and Mid-Infrared Using a Blue-Pumped Optical Parametric Oscillator
The recent development of reliable Ti:Sapphire-driven femtosecond optical parametric oscillators (OPO) and optical parametric amplifiers (OPA) has opened up new domains of application in various fields. Most o...
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Article
Coherent spectroscopy with a distributed feedback dye laser
A simple and flexible distributed feedback dye laser source pumped by the harmonic of a mode-locked YAG laser is described. Measurements of dephasing times of isotopic and hot bands in CS2 liquid exploiting both ...
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Chapter
Time-Domain Separation of Collision Induced and Allowed Raman Spectra
The subtraction of collision-induced backgrounds from allowed Raman bands can often pose severe problems in conventional Raman spectroscopy as the deconvolution procedures employed frequently rely on theoretic...
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Article
Off-resonant excitation of molecular vibrations in liquids, investigated by picosecond probe scattering
The coherent excitation of molecular vibrations in liquids via off-resonant stimulated Raman amplification is shown to consist of two parts with vastily different spectral and temporal properties. One componen...
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Chapter and Conference Paper
Direct Picosecond Determination of the Character of Vibrational Line Broadening in Liquids
Vibrational transitions in liquids and solids may be broadened by many different physical processes. The diverse contributions to a given band cannot always be unambiguously separated in conventional spectrosc...
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Chapter and Conference Paper
Time-Resolved Nonlinear Spectroscopy of Vibrational Overtones and Two-Phonon States
Vibrational overtones and multiphonon states are related to important processes in dense molecular systems. Recently, we have proposed [1] and for the first time demonstrated [2] the use of nonlinear optical t...
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Chapter
Time Resolved Spectroscopy and Dynamics of Large Amplitude Vibrational Motion in Molecular Liquids and Crystals
We present a description of the dynamics of vibrational overtones and two-phonon states in molecular liquids and crystals. Anharmonicity and cooperative excitation are shown to be the two main competing mechan...
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Chapter and Conference Paper
Excitonic Molecules in Copper Halides
Using the two-photon absorption technique, we determine the energy level structure of the biexciton in CuCl.
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Article
Self-induced Transparency and Dispersion Delays in Potassium Vapour
SELF-INDUCED transparency1 first demonstrated in ruby2 was subsequently reported3 observed in gaseous SF6. We wish to report the observation of this nonlinear transparency effect in the propagation through potass...
