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Optics Letters

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  • Vol. 28, Iss. 18 — Sep. 15, 2003
  • pp: 1671–1673

360-W average power operation with a single-stage diode-pumped Nd:YAG amplifier at a 1- kHz repetition rate

Hiromitsu Kiriyama, Koichi Yamakawa, Toru Nagai, Nobuto Kageyama, Hirofumi Miyajima, Hirofumi Kan, Hidetsugu Yoshida, and Masahiro Nakatsuka  »View Author Affiliations


Optics Letters, Vol. 28, Issue 18, pp. 1671-1673 (2003)
http://dx.doi.org/10.1364/OL.28.001671


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Abstract

We report a high-average-power laser-diode-pumped Nd:YAG master oscillator power amplifier system that has a minimum number of elements in the single multipass zigzag-slab amplifier stage and is used to pump a high-peak-power and high-average-power Ti:sapphire laser system. This phase-conjugated system produces an average power of 362 W at 1 kHz in a 30-ns pulse with an optical-to-optical conversion efficiency of 14%. With an external KTP doubler this system generates 132 W of green average output power at 1 kHz with a conversion efficiency of 60% when pumped at a power level of 222 W. To the best of our knowledge these results represent the highest average output power at both infrared and green wavelengths achieved in a single amplifier stage.

© 2003 Optical Society of America

OCIS Codes
(140.2010) Lasers and laser optics : Diode laser arrays
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.7300) Lasers and laser optics : Visible lasers

Citation
Hiromitsu Kiriyama, Koichi Yamakawa, Toru Nagai, Nobuto Kageyama, Hirofumi Miyajima, Hirofumi Kan, Hidetsugu Yoshida, and Masahiro Nakatsuka, "360-W average power operation with a single-stage diode-pumped Nd:YAG amplifier at a 1- kHz repetition rate," Opt. Lett. 28, 1671-1673 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-18-1671


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