George Henry Sutton

US Patent:

40793400, Mar 14, 1978

Filed:

Jun 21, 1976

Appl. No.:

5/698182

Inventors:

Melvin M. Weiner - Newton Centre MA
George W. Sutton - Lexington MA

Assignee:

Avco Everett Research Laboratory, Inc. - Everett MA

International Classification:

H01S 308

US Classification:

331 945C

Abstract:

Herein described is an unstable resonator optical cavity for lasers which may have a square, rectangular or the like spherical concave primary reflection surface at one end of the cavity that intercepts the optical axis of the cavity at or adjacent to one of its corners and a more or less similar square, rectangular or the like spherical convex feedback reflection surface at the opposite end of the optical cavity that intercepts the optical axis at or adjacent to one of its corners arranged and adapted to define an unstable resonator cavity.