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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 21 — Nov. 1, 2009
  • pp: 3439–3441

Total-reflection active-mirror laser with cryogenic Yb:YAG ceramics

Hiroaki Furuse, Junji Kawanaka, Kenji Takeshita, Noriaki Miyanaga, Taku Saiki, Kazuo Imasaki, Masayuki Fujita, and Shinya Ishii  »View Author Affiliations


Optics Letters, Vol. 34, Issue 21, pp. 3439-3441 (2009)
http://dx.doi.org/10.1364/OL.34.003439


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Abstract

An efficient high-power laser operation has been demonstrated by using a cryogenic Yb:YAG composite ceramic with a total-reflection active-mirror arrangement. The composite ceramic, which had no high-reflection coating and was cooled with liquid nitrogen directly, showed four-level operation even at 67 kW cm 3 of high pump density. A 273 W cw output power was obtained with 65% optical efficiency and 72% slope efficiency.

© 2009 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 31, 2009
Revised Manuscript: September 24, 2009
Manuscript Accepted: October 12, 2009
Published: October 30, 2009

Citation
Hiroaki Furuse, Junji Kawanaka, Kenji Takeshita, Noriaki Miyanaga, Taku Saiki, Kazuo Imasaki, Masayuki Fujita, and Shinya Ishii, "Total-reflection active-mirror laser with cryogenic Yb:YAG ceramics," Opt. Lett. 34, 3439-3441 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-21-3439

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