Scalable high power fiber laser

DAV Kliner - US Patent 10,069,271, 2018 - Google Patents
A modular and scalable high-power fiber laser system is configurable to generate 1 kW or
more of laser output, and includes one or more separable pump modules separately …

Adjustable beam characteristics

DAV Kliner, R Farrow - US Patent 10,295,845, 2019 - Google Patents
Disclosed herein are methods, apparatus, and systems for providing an optical beam
delivery system, comprising an optical fiber including a first length of fiber comprising a first …

Beam parameter product (bpp) control by varying fiber-to-fiber angle

D Logan, R Hawke, DR Balsley, R Stevens - US Patent 10,768,433, 2020 - Google Patents
An apparatus includes a laser system that includes a first fiber having an output end and
situated to propagate a first laser beam with a first beam parameter product (bpp) and a …

Back-reflection protection and monitoring in fiber and fiber-delivered lasers

DAV Kliner - US Patent 10,310,201, 2019 - Google Patents
A system includes an optical fiber situated to propagate a laser beam received from a laser
source to an output of the optical fiber, a first cladding light stripper optically coupled to the …

Fiber source with cascaded gain stages and/or multimode delivery fiber with low splice loss

RL Farrow, DAV Kliner - US Patent 10,050,404, 2018 - Google Patents
An apparatus includes an optical gain fiber having a core, a cladding surrounding the core,
the core and cladding defining an optical gain fiber numerical aperture, and a multimode …

Adjustable beam characteristics

DAV Kliner, R Farrow - US Patent 10,423,015, 2019 - Google Patents
Disclosed herein are methods, apparatus, and systems for perturbing an optical beam
propagating within a first length of fiber to adjust one or more beam characteristics of the …

Fine-scale temporal control for laser material processing

RJ Martinsen - US Patent 11,179,807, 2021 - Google Patents
Methods include directing a laser beam to a target along a scan path at a variable scan
velocity and adjusting a digital modulation during movement of the laser beam along the …

Fiber with depressed central index for increased beam parameter product

RL Farrow, CA Rivera - US Patent 10,520,671, 2019 - Google Patents
(57) ABSTRACT A method includes generating a multimode laser beam having an initial
beam parameter product (bpp) and directing the multimode laser beam to an input end of a …

Adjustable beam characteristics

DAV Kliner, R Farrow - US Patent 10,663,767, 2020 - Google Patents
Disclosed herein are methods, apparatus, and systems for providing an optical beam
delivery device, comprising a first length of fiber comprising a first RIP formed to enable …

Optical fiber bending mechanisms

A Brown, AL Hodges, DAV Kliner - US Patent 10,730,785, 2020 - Google Patents
Fiber bending mechanisms vary beam characteristics by deflecting or bending one or more
fibers, by urging portions of one or more fibers toward a fiber shaping surface having a …