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Optics Letters

Optics Letters


  • Editor: Anthony J. Campilo
  • Vol. 32, Iss. 17 — Sep. 1, 2007
  • pp: 2623–2625

1.59 W , single-frequency, continuous-wave optical parametric oscillator based on MgO : sPPLT

G. K. Samanta, G. R. Fayaz, and M. Ebrahim-Zadeh  »View Author Affiliations

Optics Letters, Vol. 32, Issue 17, pp. 2623-2625 (2007)

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A watt-level, single-frequency, continuous-wave (cw) singly resonant optical parametric oscillator (OPO) based on MgO : sPPLT is described. Pumped in the green by a frequency-doubled cw diode-pumped Nd : YVO 4 laser at 532 nm , the OPO can provide up to 1.59 W of single-frequency idler output with a linewidth of 7 MHz at pump depletions of as much as 67%. Using a compact ring resonator and optimized focusing in a 30 mm crystal, a singly resonant oscillation threshold of 2.84 W has been obtained under single-pass pumping. With a single grating period of 7.97 μ m , continuous signal and idler coverage over 852 1417 nm is obtained by temperature tuning between 61°C and 236°C. The influence of thermal lensing on idler output power across the SRO tuning range is also verified.

© 2007 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Nonlinear Optics

Original Manuscript: April 30, 2007
Revised Manuscript: June 19, 2007
Manuscript Accepted: June 26, 2007
Published: August 29, 2007

G. K. Samanta, G. R. Fayaz, and M. Ebrahim-Zadeh, "1.59 W, single-frequency, continuous-wave optical parametric oscillator based on MgO:sPPLT," Opt. Lett. 32, 2623-2625 (2007)

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