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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 22 — Nov. 4, 2013
  • pp: 26174–26181

Dual-crystal Yb:CALGO high power laser and regenerative amplifier

Anne-Laure Calendron  »View Author Affiliations

Optics Express, Vol. 21, Issue 22, pp. 26174-26181 (2013)

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This paper reports on a high-power dual-crystal Yb:CALGO laser head with greatly reduced sensitivity to thermal lensing in the gain medium. In continuous-wave operation 23 W of power were extracted from 2% doped crystals, and tunablity between 1018 nm and 1060 nm was demonstrated. This is the highest output power reported from a bulk Yb:CALGO laser to date, as well as the demonstration of the broadest tuning range. 4 mJ pulses at 1040 nm were achieved in cavity-dumped operation with quasi-CW pumping at 1 kHz repetition rate with nearly diffraction-limited beam quality. When seeded at 1030 nm with stretched femtosecond pulses, 3 mJ were achieved.

© 2013 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 28, 2013
Revised Manuscript: October 12, 2013
Manuscript Accepted: October 13, 2013
Published: October 24, 2013

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Vol. 9, Iss. 1 Virtual Journal for Biomedical Optics

Anne-Laure Calendron, "Dual-crystal Yb:CALGO high power laser and regenerative amplifier," Opt. Express 21, 26174-26181 (2013)

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