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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 36 — Dec. 20, 2001
  • pp: 6633–6637

Q-switched 2-µm lasers by use of a Cr2+:ZnSe saturable absorber

Tzong-Yow Tsai and Milton Birnbaum  »View Author Affiliations


Applied Optics, Vol. 40, Issue 36, pp. 6633-6637 (2001)
http://dx.doi.org/10.1364/AO.40.006633


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Abstract

Flash-lamp-pumped Ho:YAG (2090-nm) and Tm:YAG (2017-nm) lasers were, for the first time to our knowledge, passively Q switched by use of a Cr2+:ZnSe saturable absorber. A Q-switched Ho laser with 1.3-mJ pulse energy and ∼90-ns pulse duration and a Q-switched Tm laser with ∼3.2-mJ pulse energy and 90-ns pulse duration were demonstrated. Compared with the free-running output energies at the Q-switching threshold pump levels, the Q-switching efficiencies were approximately 5% for the Ho:YAG laser and 16% for the Tm:YAG laser.

© 2001 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

History
Original Manuscript: October 1, 2000
Revised Manuscript: February 5, 2001
Published: December 20, 2001

Citation
Tzong-Yow Tsai and Milton Birnbaum, "Q-switched 2-µm lasers by use of a Cr2+:ZnSe saturable absorber," Appl. Opt. 40, 6633-6637 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-36-6633

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