1997•Quantum ElectronicsRequires access

Efficient parametric generators of picosecond mid-infrared pulses based on AgGaS 2 crystals

Valeriy V. Badikov, P S Blinov, A.A. Kosterev, Vladilen S Letokhov, Aleksandr L Malinovsky, Evgenii A. Ryabov

Abstract

An investigation was made of parametric oscillation in silver thiogallate (AgGaS 2 ) crystals pumped by single picosecond pulses from an Nd : YAG laser (λ = 1.064 μm). This resulted in generation of 2.2 — 7.4 μm radiation. The conversion efficiency achieved in a noncollinear two-crystal configuration was considerably higher than that reached earlier for picosecond parametric oscillators in the same spectral range. A variant of a two-pass oscillator with a single crystal was constructed and found to have some advantages compared with a two-crystal oscillator.

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Available abstract

Key concepts: Picosecond, Optical parametric oscillator, Crystal (programming language), Materials science, Infrared, Optics, Parametric statistics, Laser