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, 1980
Filed:
Jan. 26, 1978
Applicant:
Inventors:
Clyde A Morrison, Wheaton, MD (US);
Nick Karayianis, Rockville, MD (US);
Donald E Wortman, Rockville, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
331 / ; 331 / ;
Abstract
A rare earth semiconductor laser is disclosed comprising a semiconductor erial of the type Ln.sub.2 TX.sub.5 where Ln is a rare earth element, T is zirconium or hafnium, and X is sulfur or selenium. The semiconductor contains neodymium as a dopant rare earth ion and can be made to lase by applying an electric voltage.