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. 11, 1986
Filed:
Aug. 22, 1983
Applicant:
Inventor:
Irwin J Abramovitz, Baltimore, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
G02F / ; G02B / ;
U.S. Cl.
CPC ...
350358 ; 350173 ;
Abstract
A compact beam splitter apparatus for use with a surface wave acousto-optic time integrating correlator, including a beam splitter for splitting a laser light beam into two beams and a Koesters prism disposed in the paths of the two beams for folding a portion of each beam so that the two folded beam portions converge to a common beam position at a predetermined acute angle between the two beam portions. A single Koesters prism may be used as the beam splitter and the beam folding device, with two mirrors being used to reflect the two beams back to the Koesters prism.