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Primary Examiner: Tubbesing, T. H.
Assistant Examiner: Moskowitz, N.
Attorney: Sciascia; R. S., Branning; Arthur L., Crane; Melvin L.

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Title: Aspheric cassegrain laser power amplifier system

Abstract: An optical power amplifier system for extracting high power radiation from a basic active laser media. The system includes a plurality of basically confocal mirrors so positioned that radiation output from a laser is amplified, that no power is absorbed in the supporting structure and it has no feedback from the secondary mirror. In the system, the laser beam passes through the active laser media region at least four times which increases the output power.

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Inventors: Fluhr, Frederick R. (Oxon Hill, MD, US)
Hanley, Stephen T. (Temple Hill, MD, US)
Brown, R. Bernard (Upper Marlboro, MD, US)

Application Number: 567339
Filing Date: 1975-04-11
Publication_date: 1976-03-02
Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC)
Primary Class(es): 359/347 359/729, 372/12, 372/74, 372/89, 372/108
Other Classes:
US Patent Ref:

3307113	Feb, 1967	Hughes	330/4.
3585523	Jun, 1971	Glenn et al.	331/94.
3824487	Jul, 1974	Buczrk et al.	331/94.
3873942	Aug, 1973	Reilly	331/94.

Other Refs: Other References: Frieberg et al., "New Data an Unstable Resonators," 5/73, pp. 59-63, Laser ocus.