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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 11 — May. 29, 2006
  • pp: 4713–4720

Diode-pumped doubly passively Q-switched Cr,Nd:YAG/KTP green laser with GaAs saturable absorber

Guiqiu Li, Shengzhi Zhao, Kejian Yang, Dechun Li, and Hongzhi Yang  »View Author Affiliations

Optics Express, Vol. 14, Issue 11, pp. 4713-4720 (2006)

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A diode-pumped doubly passively Q-switched Cr,Nd:YAG/KTP green laser with GaAs saturable absorber is realized for the first time to our knowledge. This laser can generate a more symmetric and shorter pulse when compared with the self-Q-switched Cr,Nd:YAG/KTP green laser. A symmetry factor is defined to describe the temporal symmetry of the pulses. At an incident pump power of 4.1W, a pulse symmetry factor as high as 0.995 is obtained. A rate equation model is introduced to theoretically analyze the results obtained in the experiment, in which the spatial distributions of the intracavity photon density, the pump beam and the population-inversion density are taken into account. The numerical solutions of the rate equations are in good agreement with the experimental results.

© 2006 Optical Society of America

OCIS Codes
(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
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 13, 2006
Revised Manuscript: May 22, 2006
Manuscript Accepted: May 22, 2006
Published: May 29, 2006

Guiqiu Li, Shengzhi Zhao, Kejiang Yang, Dechun Li, and Hongzhi Yang, "Diode-pumped doubly passively Q-switched Cr,Nd:YAG/KTP green laser with GaAs saturable absorber," Opt. Express 14, 4713-4720 (2006)

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