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Doubly Resonant Optical Parametric Oscillator Formed By Index Matching Cavity Mirrors Directly Onto An Uncoated Lib3o5 Crystal

Stevenson, TR, Colville, FG, Dunn, MH, and Padgett, MJ (1995) Doubly Resonant Optical Parametric Oscillator Formed By Index Matching Cavity Mirrors Directly Onto An Uncoated Lib3o5 Crystal. Optics Letters, 20 (7). pp. 722-724. ISSN 0146-9592

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Abstract

We demonstrate the use of index-matching fluid to contact cavity mirrors directly onto an uncoated LiB3O5 crystal to form a compact, stable resonator for use as an optical parametric oscillator. Specifically, we report on the characteristics of a continuous-wave, doubly resonant, type II phase-matched LiB3O5 optical parametric oscillator formed in this way. Using a single-frequency argon-ion pumping laser operating at 514.5 nm, we measured a pump power threshold of approximate to 100 mW and a total external conversion efficiency of approximate to 15%. By altering the crystal temperature under noncritical phase matching, we measured coarse frequency tuning over approximate to 36 THz, limited only by mirror coating bandwidths. We discuss also the transverse and longitudinal mode properties of the optical parametric oscillator outputs.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s):Padgett, Prof Miles
Authors: Stevenson, TR, Colville, FG, Dunn, MH, and Padgett, MJ
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Optics Letters
Journal Abbr.:Opt. Lett.
ISSN:0146-9592

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