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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 5 — Mar. 1, 2010
  • pp: 4000–4005

Passively Q-switched Yb3+:NaY(WO4)2 laser with GaAs saturable absorber

Ruijun Lan, Lei Pan, Ilya Utkin, Quan Ren, Huaijin Zhang, Zhengping Wang, and Robert Fedosejevs  »View Author Affiliations

Optics Express, Vol. 18, Issue 5, pp. 4000-4005 (2010)

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Passively Q-switched Yb3+:NaY(WO4)2 lasers have been demonstrated using a GaAs saturable absorber. Under continuous wave pump mode, significant pulse shortening effects have been observed at high pump powers. At a pump power of 12 W, stable Q-switched output has been obtained with a pulse duration of 5 ns, pulse repetition rate of 83 kHz and a pulse to pulse timing jitter of less than 2%. With pulsed pump mode, much longer pulse duration and reduced pulse stability have been observed. It is proposed that the heating of GaAs may play an important role in the Q-switched operations under CW pump conditions.

© 2010 OSA

OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 17, 2009
Revised Manuscript: February 9, 2010
Manuscript Accepted: February 11, 2010
Published: February 16, 2010

Ruijun Lan, Lei Pan, Ilya Utkin, Quan Ren, Huaijin Zhang, Zhengping Wang, and Robert Fedosejevs, "Passively Q-switched Yb3+:NaY(WO4)2 laser with GaAs saturable absorber," Opt. Express 18, 4000-4005 (2010)

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