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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 11 — Jun. 1, 2008
  • pp: 1228–1230

Continuous-wave, single-frequency, solid-state blue source for the 425 489 nm spectral range

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

Optics Letters, Vol. 33, Issue 11, pp. 1228-1230 (2008)

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We report a new source of cw, single-frequency radiation in the blue, offering extended tunability and practical powers in a compact, all-solid-state design. The device is based on a green-pumped, cw, singly resonant optical parametric oscillator using MgO -doped stoichiometric lithium tantalate ( MgO : sPPLT ) as the nonlinear material. By internal second-harmonic generation of the resonant near-infrared signal radiation in a 5 mm BiB 3 O 6 crystal, we generate nearly 450 mW of cw, single-frequency blue power over a tunable range of 425 489 nm with a linewidth of 8.5 MHz and a Gaussian spatial beam profile. The demonstrated wavelength coverage can be further extended by using alternative gratings for the MgO : sPPLT crystal.

© 2008 Optical Society of America

OCIS Codes
(140.7300) Lasers and laser optics : Visible lasers
(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
(190.7220) Nonlinear optics : Upconversion

ToC Category:
Nonlinear Optics

Original Manuscript: March 21, 2008
Manuscript Accepted: April 12, 2008
Published: May 29, 2008

G. K. Samanta and M. Ebrahim-Zadeh, "Continuous-wave, single-frequency, solid-state blue source for the 425–489 nm spectral range," Opt. Lett. 33, 1228-1230 (2008)

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