Title: Dual function laser for space laser communications

Abstract: A Nd:YAG laser operating in a dual functioning cavity with a Ba.sub.2 Na(NbO.sub.3).sub.5 frequency doubling crystal provides two frequencies of laser radiation, one frequency double the other, to provide a laser beacon beam at a wavelength of approximately 1.06 micrometers and a high data rate beam at a wavelength of approximately 0.53 micrometer.

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Inventors: Barry, James D. (Fairborn, OH, US)
Freedman, Paul M. (WPAFB, OH, US)

Application Number: 556989
Filing Date: 1975-03-10
Publication_date: 1976-08-17
Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC)
Primary Class(es): 372/22 372/18, 372/23, 372/71, 372/79, 372/93, 372/101
Other Classes:
US Patent Ref:

3735280

May, 1973

Johnsto, Jr.

331/94.

Other Refs:
Primary Examiner: Sikes, William L.
Assistant Examiner:
Attorney: Rusz; Joseph E., Duncan; Robert Kern