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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 22 — Nov. 4, 2013
  • pp: 26506–26512

Cr:ZnS saturable absorber passively Q-switched Tm,Ho:GdVO4 laser

Yanqiu Du, Baoquan Yao, Xiaoming Duan, Zheng Cui, Yu Ding, Youlun Ju, and Zuochun Shen  »View Author Affiliations


Optics Express, Vol. 21, Issue 22, pp. 26506-26512 (2013)
http://dx.doi.org/10.1364/OE.21.026506


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Abstract

A passively Q-switched Tm,Ho:GdVO4 laser operating at cryogenic temperature with a Cr2+:ZnS saturable absorber pumped with continuous wave LDs was demonstrated. The performance of the laser was investigated through changing the distance between Cr2+:ZnS and output coupler. The maximum pulse energy of 70.5 μJ was obtained at 10 W input power. The maximum average output power of PQS laser was up to 3.2 W at the pump power of 22.8 W, corresponding to CW output power of 7.4 W, pulse repetition frequency of 52 kHz, and a pulse width of 389 ns. The M2 factor measured by the traveling knife-edge method was ~1.1 in x and y directions with near-diffraction limited beam quality.

© 2013 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 7, 2013
Revised Manuscript: October 5, 2013
Manuscript Accepted: October 8, 2013
Published: October 28, 2013

Citation
Yanqiu Du, Baoquan Yao, Xiaoming Duan, Zheng Cui, Yu Ding, Youlun Ju, and Zuochun Shen, "Cr:ZnS saturable absorber passively Q-switched Tm,Ho:GdVO4 laser," Opt. Express 21, 26506-26512 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-22-26506


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