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. 02, 1996
Filed:
Jul. 01, 1994
Applicant:
Inventor:
Paul N Robb, Sunnyvale, CA (US);
Assignee:
Lockhead Missiles & Space Company, Inc., Sunnyvale, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359665 ;
Abstract
A lens system (10) for a 5X laser beam expander includes lens elements (11, 12, 13, 14) which consist of crystalline and liquid optical materials. Several embodiments, using different materials for the lens elements (11, 12, 13, 14), provide diffraction-limited performance without refocussing over several wavelength ranges, the broadest being from 0.24 to 2.5 microns.