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:
May. 03, 1994
Filed:
Jan. 31, 1992
Applicant:
Inventors:
Yasutake Ohishi, Mito, JP;
Elias Snitzer, Piscataway, NJ (US);
Assignee:
Rutgers University, New Brunswick, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372-6 ; 385142 ;
Abstract
A system for producing an optical gain. The system includes an optical fiber having a core and a cladding, the core being doped with Pr.sup.3+ ; and a source producing light to energize the Pr.sup.3+ to the .sup.1 G.sub.4 state and produce an optical gain by a .sup.1 G.sub.4 -.sup.3 H.sub.5 transition at a wavelength in the range of 1.25 to 1.34 microns. The system also includes a method of making and a method of using the same.