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9 Result(s)

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  1. No Access

    Article

    Efficient amplification of sub-picosecond pulses of a non-CW dye laser

    Efficient amplification in a dye laser amplifier is investigated theoretically and experimentally. A five-level rate equation approach is considered including rotational relaxation of the dye molecules. The ef...

    M. Fickenscher, H. -G. Purucker, A. Laubereau in Applied Physics B (1990)

  2. No Access

    Article

    Collective modes — An analytical model for active mode locking in the transient case

    A novel concept is presented for the pulse generation in the linear regime of an actively loss modulated laser. Introducing collective laser modes, the frequency detuning of the modulator and the statistical i...

    P. Aechtner, A. Laubereau in Applied Physics B (1986)

  3. No Access

    Article

    Polarization effects of picosecond CARS in liquids

    Coherent Raman scattering of delayed probing pulses after ultrafast excitation is investigated under generalized polarization conditions. Three factors are shown to contribute to the scattering signal:

      N. Kohles, A. Laubereau in Applied Physics B (1986)

    1. No Access

      Article

      Effect of non-exponential dephasing on near-resonant stimulated Raman scattering

      The gain characteristics and spectral properties of transient stimulated Raman scattering are investigated in the non-resonant case. For moderate amplification of the input Stokes pulses by a factor of approxi...

      H. R. Telle, A. Laubereau in Applied Physics B (1984)

    2. No Access

      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...

      A. Laubereau, H. R. Telle, G. M. Gale in Applied Physics B (1984)

    3. No Access

      Article

      New results on vibrational population decay in simple liquids

      The population lifetimes of the symmetric CH2-stretching mode of several methylene halides were measured after infrared excitation by spontaneous anti-Stokes Raman scattering of delayed picosecond probe pulses. D...

      H. Graener, A. Laubereau in Applied Physics B (1982)

    4. No Access

      Article

      Picosecond pulses and applications

      J. -C. Diels, J. J. Fontaine, J. C. McMichael, C. Y. Wang, A. Andreoni… in Applied Physics B (1982)

    5. No Access

      Article

      Vibrational relaxation of dye molecules investigated by ultrafast induced dichroism

      Theoretical and experimental data are presented on the propagation of picosecond pulses in weakly excited dye solutions. It is shown that the so called “coherence peak” of the induced dichroism observed at sho...

      D. Reiser, A. Laubereau in Applied Physics B (1982)

    6. No Access

      Article

      New results on ultrafast coherent excitation of molecular vibrations in liquids

      Coherent Raman probe scattering experiments are performed to study dynamical processes of polyatomic liquids at 300 K. For single homogeneous transitions the dephasing timeT 2 is readily obtained from time resolv...

      W. Zinth, H. -J. Polland, A. Laubereau, W. Kaiser in Applied Physics B (1981)