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:
Jul. 07, 1987
Filed:
Jun. 30, 1981
Applicant:
Inventors:
William K Burns, Alexandria, VA (US);
A Fenner Milton, Washington, DC (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9615 ;
Abstract
Coupling between narrow-and wide-channel optical waveguides is found to be very efficiently performed by coupling regions in the form of parabolas. Design equations for parabolic coupling regions are given.