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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 9 — Apr. 26, 2010
  • pp: 9229–9235

Improved beam quality from a high energy optical parametric oscillator using crystals with orthogonal critical planes

Øystein Farsund, Gunnar Arisholm, and Gunnar Rustad  »View Author Affiliations

Optics Express, Vol. 18, Issue 9, pp. 9229-9235 (2010)

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We demonstrate with simulations and experiments that an optical parametric oscillator using two different crystals with orthogonal walk-off planes can generate a symmetric, high-quality beam even if the resonator has a high Fresnel number. In the experiments we used KTA and BBO crystals to convert 5 ns pulses at 1.06 μm to 1.7 μm pulses with more than 10 mJ energy and beam quality M2 ≈2.

© 2010 OSA

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:
Nonlinear Optics

Original Manuscript: March 26, 2010
Manuscript Accepted: April 13, 2010
Published: April 19, 2010

Øystein Farsund, Gunnar Arisholm, and Gunnar Rustad, "Improved beam quality from a high energy optical parametric oscillator using crystals with orthogonal critical planes," Opt. Express 18, 9229-9235 (2010)

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