Intense, tunable subpicosecond and femtosecond pulses in the visible and infrared, generated by optical parametric oscillators

Robert Laenen; Heinrich Graener; Alfred Laubereau

doi:10.1117/12.20323

1 August 1990 Intense, tunable subpicosecond and femtosecond pulses in the visible and infrared, generated by optical parametric oscillators

Robert Laenen, Heinrich Graener, Alfred Laubereau

Author Affiliations +

Proceedings Volume 1268, Applications of Ultrashort Laser Pulses in Science and Technology; (1990) https://doi.org/10.1117/12.20323
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

Two versions of the singly resonant parametric oscillator (OPO) are investi- gated, synchronously pumped by microsecond pulse trains of a feedback controlled Nd:glass laser. The first setup utilizing a LiNbO crystal generates narrow-band, sub-ps pulses with tuning range 1 .35 - 2. 1 1 pm and 5 % conversion efficiency. The second OPO-system applies a BBO specimen and a novel double pass pump geometry with partial group delay compensation. Broadly tunable pulses are generated in the wavelength range 0.7 - 1.8 pm with duration between 160 and 260 fs and energy conversion of 3 %. Steep pulse wings are observed with l/e decay time of 90 fs. Under special conditions parametric pulses as short as 65 7 fs are obtained.

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Robert Laenen, Heinrich Graener, and Alfred Laubereau "Intense, tunable subpicosecond and femtosecond pulses in the visible and infrared, generated by optical parametric oscillators", Proc. SPIE 1268, Applications of Ultrashort Laser Pulses in Science and Technology, (1 August 1990); https://doi.org/10.1117/12.20323

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