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:
Nov. 28, 2023

Filed:

Jan. 28, 2021
Applicant:

Nlight, Inc., Camas, WA (US);

Inventors:

Juan Carlos Lugo, Camas, WA (US);

Teemu Kokki, Camas, WA (US);

Roger Farrow, Camas, WA (US);

Dahv A. V. Kliner, Vancouver, WA (US);

Assignee:

NLIGHT, INC., Camas, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/255 (2006.01); H01S 3/067 (2006.01); H01S 3/00 (2006.01);
U.S. Cl.
CPC ...
H01S 3/0064 (2013.01); H01S 3/06704 (2013.01);
Abstract

Some embodiments may include a fiber laser including two or more input fibers and an output fiber to deliver a beam to a workpiece, the fiber laser comprising. The fiber laser may include a combiner having ends and a length, wherein the combiner is arranged to release, from its length, a portion of back-reflected light received from the output fiber at an output end of the ends from the combiner, the combiner including: a capillary tube to enclose part of the two or more input fibers at an input end of the ends of the combiner, the capillary tube having ends and a length located between the ends of the capillary tube; and a cladding light stripper (CLS) defined by part of the length of the capillary tube, wherein the CLS provides the release of the portion of the back-reflected light. Other embodiments may be disclosed and/or claimed.


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