Megawatt peak power, 1 kHz, 266 nm sub nanosecond laser source based on single-crystal fiber amplifier (orale)

Loïc Deyra 1 Igor Martial 2 François Balembois 1 Julien Didierjean 2 Patrick Georges 1
1 Laboratoire Charles Fabry / Lasers
LCF - Laboratoire Charles Fabry
2 Fibercryst
Abstract : We report the realization of a UV source based on the fourth harmonic generation with LBO/BBO of a Nd:YAG passively Q:switched oscillator amplified in a single-crystal fiber. With careful optimization of the nonlinear components and parameters, we obtain 530 mW average power at 266 nm with pulses of 540 ps at the repetition rate of 1 kHz, which represents a 22.7% total conversion efficiency from IR to UV and nearly 1 MW peak power. The beam quality M² is measured to be below 2
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Loïc Deyra, Igor Martial, François Balembois, Julien Didierjean, Patrick Georges. Megawatt peak power, 1 kHz, 266 nm sub nanosecond laser source based on single-crystal fiber amplifier (orale). Conference on Lasers and Electro-Optics Europe & International Quantum Electronics Conference (CLEO/Europe-IQEC), May 2013, Munich, Germany. ⟨hal-00818721⟩

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