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Journal Articles Applied Physics B - Laser and Optics Year : 2013

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

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Loïc Deyra
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  • PersonId : 940638
Igor Martial
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  • PersonId : 917426
Julien Didierjean
  • Function : Author
François Balembois
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  • PersonId : 915455
Patrick Georges

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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Dates and versions

hal-00819328 , version 1 (30-04-2013)

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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, 2013, ⟨10.1007/s00340-013-5376-7⟩. ⟨hal-00819328⟩
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