Characteristics of a hybridly mode-locked cw dye laser |
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Authors: | D Kühlke U Herpers D von der Linde |
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Institution: | (1) Fachbereich-Physik, Universität-GHS, D-4300 Essen 1, Fed. Rep. Germany |
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Abstract: | We present experimental and theoretical results on the characteristics and random variations of subpicosecond pulses generated by a synchronously pumped cw dye laser with saturable absorber. The analysis of the power spectra indicates rapid fluctuations of the pulse duration of 40–50%, energy fluctuations of 3%, and a jitter of the repetition time of 0.1% corresponding to an absolute jitter of 12 ps. The latter is caused mainly by the temporal jitter of the pump laser. A mismatch of the lengths of the dye and the pump-laser cavity can result in a nonstationary mode-locking regime with a periodic change of the pulse parameters. The interpretation of the experimental results are supported by computer simulations of the pulse evolution process. |
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Keywords: | 42 55 M 42 55 B 42 65 G |
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