This article is cited in 5 papers

Nonlinear optical phenomena

Efficient sum-frequency and second harmonic generation in a two-pass copper vapour laser amplifier

V. M. Batenin, V. T. Karpukhin, M. M. Malikov

Scientific Association for High Temperatures, Russian Academy of Sciences, Moscow

Abstract: New results are presented on the efficient generation of UV radiation by using nonlinear DKDP and BBO crystals and a two-pass copper vapour laser amplifier with the enhanced peak power. The average power (average optical efficiency) of laser radiation at the sum frequency (λ = 0.271 μm) was 3.6 W (24%) for the BBO crystal and 2.1 W (14%) for the DKDP crystal. The maximum average second-harmonic power generated by using the BBO crystal was 3.4 W (44%) at 0.289 μm and 2.1 W (27%) at 0.255 μm.

PACS: 42.65.Ky, 42.55.Lt

Received: 30.12.2004
Revised: 20.06.2005

 English version: Quantum Electronics, 2005, 35:9, 844–848

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