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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 23 — Aug. 10, 2008
  • pp: 4287–4291

Compact KTA-based intracavity optical parametric oscillator driven by a passively Q-switched Nd : GdVO 4 laser

Jieguang Miao, Jiying Peng, Baoshan Wang, and Huiming Tan  »View Author Affiliations

Applied Optics, Vol. 47, Issue 23, pp. 4287-4291 (2008)

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We present a compact and efficient KTA-based intracavity optical parametric oscillator (IOPO) driven by a diode-end-pumped Nd : GdVO 4 / Cr : YAG passively Q-switched laser. At the incident diode pump power of 9.2 W , signal ( 1.53 μm ) and idler ( 3.47 μm ) average output powers of up to 744 and 356 mW , respectively, have been obtained. The total ( signal + idler ) optical-to-optical conversion efficiency is as high as 12%. By using the knife-edge method, near-diffraction-limited signal and idler beams have been detected, and the M 2 factors are well within 1.2. In addition, based on the ABCD matrix theory, the impact of mode matching and the thermal lens effect on the OPO output have been analyzed.

© 2008 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
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 2, 2008
Revised Manuscript: June 20, 2008
Manuscript Accepted: July 12, 2008
Published: August 8, 2008

Jieguang Miao, Jiying Peng, Baoshan Wang, and Huiming Tan, "Compact KTA-based intracavity optical parametric oscillator driven by a passively Q-switched Nd:GdVO4 laser," Appl. Opt. 47, 4287-4291 (2008)

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