Power scaling of fiber-based amplifiers seeded with microchip lasers

Schrader, Paul E.; Fève, Jean-Philippe; Farrow, Roger L.; Kliner, Dahv A. V.; Schmitt, Randal L.; Do, Binh T.

doi:10.1117/12.778388

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2008

2015

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Cited by 5 publications

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“…We have been developing a family of Yb:YAG microlasers with pulse lengths from 0.5 ns to 1.0 ns and single longitudinal mode operation at repetition rates up to 19.4 kHz to use as seed sources for fiber amplifiers. The 1030-nm output of Yb:YAG more closely matches the gain peak in Yb-doped fiber than the ~1060-nm output of Nd-based lasers and results in more efficient pulsed fiber laser systems 1 . The microlaser described in this paper has been configured to produce ~1-ns-long pulses and has been optimized for single-mode operation at high repetition rate.…”

Section: Introductionmentioning

confidence: 96%

Design and performance of a high-repetition-rate single-frequency Yb:YAG microlaser

Schmitt¹,

Do²

2008

SPIE Proceedings

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We describe the design and performance of a high-repetition-rate single-frequency passively Q-switched Yb:YAG microlaser operating near 1030 nm. By using short cavity length, an intracavity Brewster polarizer, and an etalon output coupler, we are able to produce ~1-ns-long single-frequency pulses at repetition rates up to 19 kHz without shot-to-shot mode hopping. The laser's output spatial mode is TEM 00 and its pulse energy varies between 31 µJ and 47 µJ depending on repetition rate. Its peak optical-to-optical efficiency is 22%.

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Section: Introductionmentioning

confidence: 96%