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Synchronized picosecond pulse generation with a synchronously pumped dye laser and a compressed Nd: YAG laser for non-degenerate transient grating experiments

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Abstract

We have set up a laser system which simultaneously provides synchronized picosecond pulses in the visible and at a wavelength of 1.06 μm with a repetition rate of 76 MHz. The set-up consists of a dye laser synchronously pumped by the second harmonic of a cw mode-locked Nd:YAG laser and a fiber-grating compressor for the fundamental wavelength of the Nd;YAG laser. Crosscorrelation measurments reveal the time jitter between the two pulse trains to be less than 10 ps. As a first application we have performed non-degenerate transient grating experiments in semiconductors. The non-degenerate technique allows to use excitation energies well above the bandgap energy and to separate non-linear refractive index effects from photoinduced absorption or transmission changes.

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Authors and Affiliations

  1. Fachbereich Physik, Philipps-Universität, Renthof 5, D-3550, Marburg, Fed. Rep. Germany

    U. Siegner, G. Noll & E. O. Göbel

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  1. U. Siegner
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  2. G. Noll
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  3. E. O. Göbel
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Siegner, U., Noll, G. & Göbel, E.O. Synchronized picosecond pulse generation with a synchronously pumped dye laser and a compressed Nd: YAG laser for non-degenerate transient grating experiments. Appl. Phys. B 48, 21–23 (1989). https://doi.org/10.1007/BF00694412

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  • DOI: https://doi.org/10.1007/BF00694412

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