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.

Date of Patent:
Aug. 01, 2017

Filed:

Feb. 11, 2015
Applicant:

Fianium Ltd., Southampton, GB;

Inventors:

John Redvers Clowes, New Milton, GB;

Jonathan William Gill, Four Marks, GB;

Stephen Green, Southampton, GB;

Mridu Kalita, Southampton, GB;

Adam Lee Devine, Southampton, GB;

Anatoly Borisovich Grudinin, Southampton, GB;

Assignee:

NKT Photonics A/S, Birkerod, DK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/30 (2006.01); H01S 3/067 (2006.01); H01S 3/08 (2006.01); H01S 3/11 (2006.01);
U.S. Cl.
CPC ...
H01S 3/06745 (2013.01); H01S 3/067 (2013.01); H01S 3/0675 (2013.01); H01S 3/06708 (2013.01); H01S 3/06716 (2013.01); H01S 3/06754 (2013.01); H01S 3/08013 (2013.01); H01S 3/08059 (2013.01); H01S 3/11 (2013.01); H01S 3/1118 (2013.01); H01S 2301/02 (2013.01); H01S 2301/03 (2013.01);
Abstract

A laser system for generating optical pulses at an operating wavelength of the laser system. The system has an optical resonator comprising first and second reflectors, and a tapered optical fiber disposed between the first and second reflectors. The tapered optical fiber has a core which has a tapered input section which tapers from single mode to multimode at the laser operating wavelength, an inner section of substantially constant diameter capable of supporting multiple modes at the laser operating wavelength and a tapered output section which tapers from a first diameter to a second diameter that is smaller than the first diameter.


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