The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 14, 1978
Filed:
Jun. 21, 1976
Applicant:
Inventors:
Melvin M Weiner, Newton Centre, MA (US);
George W Sutton, Lexington, MA (US);
Assignee:
Avco Everett Research Laboratory, Inc., Everett, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
331 / ; 350299 ;
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.