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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 13 — Jul. 1, 2006
  • pp: 2066–2068

10 kHz 40 W Ti:sapphire regenerative ring amplifier

Isao Matsushima, Hidehiko Yashiro, and Toshihisa Tomie  »View Author Affiliations


Optics Letters, Vol. 31, Issue 13, pp. 2066-2068 (2006)
http://dx.doi.org/10.1364/OL.31.002066


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Abstract

A cryogenically cooled Ti:sapphire regenerative ring amplifier was developed as a laser for generating a laser-produced plasma light source. With a 10 kHz 180 W pump laser, the amplifier output is 40 W before compression and 26 W after compression. We believe it to be the current highest average-power output from a single stage Ti:sapphire amplifier. The effective focal length of the thermal lens is measured to be 2.2 m at 100 K for 180 W of pump power. With a 1 m focal length lens placed in the resonator, the effect of a thermal lens on the resonator mode is suppressed. High conversion efficiency is achieved for the whole pumping power range without any additional measures for thermal compensation.

© 2006 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3560) Lasers and laser optics : Lasers, ring
(140.3590) Lasers and laser optics : Lasers, titanium
(320.7090) Ultrafast optics : Ultrafast lasers
(350.5400) Other areas of optics : Plasmas

ToC Category:
Ultrafast Optics

History
Original Manuscript: February 17, 2006
Revised Manuscript: April 20, 2006
Manuscript Accepted: April 21, 2006

Citation
Isao Matsushima, Hidehiko Yashiro, and Toshihisa Tomie, "10 kHz 40 W Ti:sapphire regenerative ring amplifier," Opt. Lett. 31, 2066-2068 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-13-2066

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