The United States of America as Represented by the United States

David H Roberts

David Eimerl

Stephan P Velsko

James J DeYoreo

Charles E Barker

L Jeffrey Atherton

Temperature-insensitive, phase-matched harmomic frequency conversion of laser light at a preferred wavelength of 1.064 microns can be achieved by use of a crystal of deuterated l-arginine phosphate. The crystal is cut and oriented so that the laser light propagates inside the crystal along one of several required directions, which correspond to a temperature-insensitive, phase-matching locus. The method of measuring and calculating the temperature-insensitive, phase-matching angles can be extended to other fundamental wavelengths and other crystal compositions.

Temperature-insensitive phase-matched optical harmonic conversion crystal

A process for reducing energy losses in crystals is disclosed which comprises:

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Pleasanton, CA, United States of America

David H Roberts