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Optics Letters

Optics Letters

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  • Vol. 25, Iss. 4 — Feb. 15, 2000
  • pp: 248–250

Aperture scaling effects with monolithic periodically poled lithium niobate optical parametric oscillators and generators

Mark Missey, Vince Dominic, Peter Powers, and Kenneth L. Schepler  »View Author Affiliations


Optics Letters, Vol. 25, Issue 4, pp. 248-250 (2000)
http://dx.doi.org/10.1364/OL.25.000248


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Abstract

We used elliptical beams to demonstrate aperture scaling effects in nanosecond single-grating and multigrating periodically poled lithium niobate (PPLN) monolithic optical parametric oscillators and generators. Increasing the cavity Fresnel number in single-grating crystals broadened both the beam divergence and the spectral bandwidth. Both effects are explained in terms of the phase-matching geometry. These effects are suppressed when a multigrating PPLN crystal is used because the individual gratings provide small effective subapertures. A flood-pumped multigrating optical parametric generator displayed a low output beam divergence and contained 19 pairs of signal and idler frequencies.

© 2000 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

Citation
Mark Missey, Vince Dominic, Peter Powers, and Kenneth L. Schepler, "Aperture scaling effects with monolithic periodically poled lithium niobate optical parametric oscillators and generators," Opt. Lett. 25, 248-250 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-4-248

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