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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 18 — Sep. 6, 2004
  • pp: 4189–4197

Optical parametric master oscillator and power amplifier for efficient conversion of high-energy pulses with high beam quality

Gunnar Arisholm, Ørnulf Nordseth, and Gunnar Rustad  »View Author Affiliations

Optics Express, Vol. 12, Issue 18, pp. 4189-4197 (2004)

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We describe a system for parametric conversion of high-energy, Q-switched laser pulses from 1.064μm to 2.1μm in KTiOPO4. High beam quality and efficiency are obtained by use of a two-stage system: An optical parametric oscillator (OPO) pumped by a narrow beam with 8 mJ of energy, generates 1.9 mJ of signal energy for seeding an optical parametric amplifier (OPA). With 500 mJ pump energy, different OPA configurations produce up to 138 mJ signal energy with M2 ≈ 2.3.

© 2004 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Research Papers

Original Manuscript: July 12, 2004
Revised Manuscript: August 18, 2004
Published: September 6, 2004

Gunnar Arisholm, �?rnulf Nordseth, and Gunnar Rustad, "Optical parametric master oscillator and power amplifier for efficient conversion of high-energy pulses with high beam quality," Opt. Express 12, 4189-4197 (2004)

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