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

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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https://hal-iogs.archives-ouvertes.fr/hal-00819328
Contributor : Loïc Deyra <>
Submitted on : Tuesday, April 30, 2013 - 5:28:17 PM
Last modification on : Wednesday, September 16, 2020 - 5:43:38 PM
Long-term archiving on: : Wednesday, July 31, 2013 - 4:50:22 AM

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Loïc Deyra, Igor Martial, Julien Didierjean, François Balembois, Patrick Georges. Megawatt peak power, 1 kHz, 266 nm sub nanosecond laser source based on single-crystal fiber amplifier. Applied Physics B - Laser and Optics, Springer Verlag, 2013, ⟨10.1007/s00340-013-5376-7⟩. ⟨hal-00819328⟩

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