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. 01, 1994
Filed:
Dec. 21, 1992
Applicant:
Inventors:
Takafumi Uemiya, Osaka, JP;
Naota Uenishi, Osaka, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
385 31 ; 359326 ; 372 21 ;
Abstract
An optical wavelength conversion module includes a semiconductor laser light source; a lens for focusing semiconductor laser light; and a fiber-type optical wavelength converter with a core and a clad having a refractive index lower than the core. At least one of the core and clad is formed of a non-linear optical material. The number of longitudinal modes of oscillation of the semiconductor laser light source is not less than three.