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.:

US 9425577 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 23, 2016

Filed:

Mar. 20, 2014
Applicant:

Mitsuboshi Diamond Industrial Co., Ltd., Settsu, Osaka, JP;

Inventors:

Christian Schaefer, Settsu, JP;

Masanao Murakami, Settsu, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/042 (2006.01); H01S 3/067 (2006.01); H01S 3/091 (2006.01); H01S 3/16 (2006.01); H01S 3/17 (2006.01); H01S 3/00 (2006.01); H01S 3/04 (2006.01);
U.S. Cl.
CPC ...
H01S 3/042 (2013.01); H01S 3/06704 (2013.01); H01S 3/06708 (2013.01); H01S 3/06754 (2013.01); H01S 3/091 (2013.01); H01S 3/005 (2013.01); H01S 3/0071 (2013.01); H01S 3/0405 (2013.01); H01S 3/0407 (2013.01); H01S 3/06716 (2013.01); H01S 3/06745 (2013.01); H01S 3/1608 (2013.01); H01S 3/173 (2013.01);
Abstract

An optical fiber includes a first optical fiber body, a second optical fiber body and a first end cap. The first optical fiber body includes a first core and a first cladding. The second optical fiber body includes a second core and a second cladding, and is joined at a first end surface thereof to a first end surface of the first optical fiber body. The first end cap has light permeability and is joined to a second end surface of the second optical fiber body. The first core is doped with a laser medium. A mass content of the laser medium in the second core is lower than that of the laser medium in the first core.


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Schaefer, Christian. (2016). Optical fiber and laser oscillator using same (U.S. Patent No. 9425577). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9425577

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