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Proceedings Paper

Multimode 2.1-um optical parametric oscillator based on walk-off compensated LiNbO3
Author(s): William J. Scharpf; Bruce P. Boczar
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Paper Abstract

We present results of an optical parametric oscillator based on lithium niobate pumped by a multi-longitudinal and multi-transverse mode Nd:YAG laser. Two 5 cm crystals were used in a walk-off compensated arrangement with a 14 cm overall cavity length. The oscillation threshold was 30 mj with a measured slope efficiency of 34% and an overall efficiency approaching 28%. We were capable of continuously tuning the OPO from 1.5 to 3.8 microns. At 2.1 microns, the maximum measured output energy was 58 mj in a 10 ns pulse. A comparison was made with an OPO using two 1 cm KTP crystals.

Paper Details

Date Published: 7 August 1993
PDF: 6 pages
Proc. SPIE 1869, Intracavity and Extracavity Control of Laser Beam Properties, (7 August 1993); doi: 10.1117/12.148386
Show Author Affiliations
William J. Scharpf, Naval Air Warfare Ctr. (United States)
Bruce P. Boczar, Naval Air Warfare Ctr. (United States)


Published in SPIE Proceedings Vol. 1869:
Intracavity and Extracavity Control of Laser Beam Properties
Roger Lee Facklam; Karl H. Guenther; Stephan P. Velsko, Editor(s)

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