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  1. No Access

    Book

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    Chapter

    Theory of Self-Phase Modulation and Spectral Broadening

    Y.R. Shen, Guo-Zhen Yang in The Supercontinuum Laser Source (2006)

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    Article

    Vibrational spectroscopy of ice interfaces

    Vibrational spectroscopy via infrared-visible sum-frequency generation was used to probe interfaces of hexagonal ice(0001) with vapor, a hydrophobic solid, and a hydrophilic solid. The OH stretch vibrational m...

    X. Wei, Y.R. Shen in Applied Physics B (2002)

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    Article

    Surface contribution versus bulk contribution in surface nonlinear optical spectroscopy

    Y.R. Shen in Applied Physics B (1999)

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    Chapter and Conference Paper

    Femtosecond Analysis of the Spinning Motion of Liquid Crystal Molecules in Smectic A Phases

    Analysis of the spinning motion of liquid crystal molecules is reported for the first time. A femtosecond pump probe Kerr effect experiment allowed us to evidence both individual and collective contributions t...

    A. Le Calvez, S. Montant, E. Freysz, R. M. Rassoul, A. Ducasse in Ultrafast Phenomena X (1996)

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    Article

    Surface photon echoes in the infrared range

    We discuss the possibility of observing photon echoes in the infrared range from a surface monolayer. Three different detection schemes are considered: direct infrared detection, external up-conversion, and in...

    X. D. Zhu, Y. R. Shen in Applied Physics B (1990)

  7. No Access

    Chapter

    Theory of Self-Phase Modulation and Spectral Broadening

    Self-phase modulation refers to the phenomenon in which a laser beam propagating in a medium interacts with the medium and imposes a phase modulation on itself. It is one of those very fascinating effects disc...

    Y. R. Shen, Guo-Zhen Yang in The Supercontinuum Laser Source (1989)

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    Article

    Comments on “Determination of the Nonlinear Optical Susceptibility χ(2)of Surface Layers” by B. Dick et al.

    P. Guyot-Sionnest, Y. R. Shen, T. F. Heinz in Applied Physics B (1987)

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    Chapter

    Molecular-Beam Studies of Laser-Induced Multiphoton Dissociation

    We review the evidence from molecular-beam experiments establishing that laser-induced multiphoton dissociation is a collisionless unimolecular process. We interpret the experimental results using a model in w...

    A. S. Sudbø, P. A. Schulz, Y. R. Shen in Multiple-Photon Excitation and Dissociatio… (1986)

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    Chapter and Conference Paper

    Molecular Spectroscopy by Stepwise Two-Photon Ion-Pair Production at 71 nm

    The Rydberg states of H2 have been a continuing subject of intensive study by various research groups.[l-4] However, understanding of the high lying electronic states of this molecule has been inhibited by the la...

    A. H. Kung, R. H. Page, R. J. Larkin, Y. R. Shen, Y. T. Lee in Laser Spectroscopy VII (1985)

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    Chapter and Conference Paper

    Studies of Molecular Monolayers at Air-Liquid Interfaces by Second Harmonic Generation: Question of Orientational Phase Transition

    Insoluble molecular monolayers at gas-liquid interfaces provide an insight to the understanding of surfactants, wetting, micromulsions and membrane structures,and offer a possibility to study the rich world of...

    Th. Rasing, Y. R. Shen, M. W. Kim, S. Grubb, J. Bock in Laser Spectroscopy VII (1985)

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    Chapter and Conference Paper

    Second-Harmonic Generation from Sub-Monolayer Molecular Adsorbates Using a CW Diode Laser — Maui Surface Experiment

    Optical second-harmonic generation (SHG) can be an extremely sensitive tool for surface studies. The technique is capable of probing adsorbed molecules at various interfaces [1]. It is based on the idea that S...

    G. T. Boyd, Y. R. Shen, T. W. Hänsch in Laser Spectroscopy VII (1985)

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    Chapter and Conference Paper

    Laser Investigation of the Dynamics of Molecule-Surface Interactions

    In the past decade the interest in the dynamics of the interaction between molecules and clean and well-characterized solid-state surfaces has steadily increased [1]. Most information has been obtained from an...

    J. Häger, Y. R. Shen, H. Walther in Laser Processing and Diagnostics (1984)

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    Article

    Surface spectroscopy

    P. F. Liao, T. F. Heinz, C. K. Chen, D. Ricard, Y. R. Shen in Applied Physics B (1982)

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    Article

    Nonlinear optical processes I

    A. Ashkin, P. W. Smith, J. M. Dziedzic, W. J. Siekhaus in Applied Physics B (1982)

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    Chapter and Conference Paper

    Surface Nonlinear Optics

    Surface electromagnetic waves are waves propagating along the interface of two media. Their existence was predicted by SOMMERFIELD in 1909 [1]. In recent years, they have found interesting applications in the ...

    Y. R. Shen, C. K. Chen, A. R. B. de Castro in Lasers and Applications (1981)