193 patents
Utility
Optical fiber bending mechanisms
2 Jan 24
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 selectable curvature, or by selecting a fiber length that is to be urged toward the fiber shaping surface.
Aaron Brown, Aaron Ludwig Hodges, Dahv A. V. Kliner
Filed: 20 May 20
Utility
Capillary tube to strip back-reflected light
28 Nov 23
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.
Juan Carlos Lugo, Teemu Kokki, Roger Farrow, Dahv A. V. Kliner
Filed: 28 Jan 21
Utility
Diode laser package for bidirectionally emitting semiconductor laser devices
21 Nov 23
The disclosed diode laser packages include a carrier having an optics-mounting surface to which first and second sets of collimating and turning optics are mounted.
Manoj Kanskar
Filed: 25 Nov 19
Utility
Fiber-based Angular Homogenizer
9 Nov 23
Angularly homogenizing gradient index optical fiber having a refractive index profile that is non-quadratic to a degree sufficient to enhance precession of light as it is propagated through the fiber.
Jay SMALL, Shuang LI, Dahv A.V. KLINER
Filed: 19 Nov 20
Utility
Fiber source with cascaded gain stages and/or multimode delivery fiber with low splice loss
7 Nov 23
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 fiber having a core with a larger radius than a radius of the optical gain fiber core, a cladding surrounding the core, the core and cladding of the multimode fiber defining a multimode fiber stable numerical aperture that is larger than the optical gain fiber numerical aperture, the multimode fiber being optically coupled to the optical gain fiber so as to receive an optical beam propagating in the optical gain fiber and to stably propagate the received optical beam in the multimode fiber core with low optical loss associated with the optical coupling.
Roger L. Farrow, Dahv A. V. Kliner
Filed: 5 Apr 21
Utility
Optical fiber splice encapsulated by a cladding light stripper
7 Nov 23
Spliced multi-clad optical fibers with a cladding light stripper (CLS) encapsulating the splice.
Ryan Hawke, Teemu Kokki, Shaun Hampton, Chris Luetjen
Filed: 17 May 21
Utility
System and Method for Gradient Interferometrically Locked Laser Source
2 Nov 23
Systems and methods for forming a coherent optical phased array laser source from a spatially combined array of output beams is accomplished without any external measurement devices or wavefront sensors.
Jeffrey D. Barchers, Dale H. Martz
Filed: 1 May 23
Utility
Power Monitoring In Fiber-coupled Laser Systems
2 Nov 23
Some embodiments may include a power monitor to measure power of laser light propagating in a core of an optical fiber; the power monitor to generate a sensor signal using an optical sensor having a light sensitive section with no line of sight to part of the optical fiber; wherein the sensor signal is derived from light emerging laterally from the part of the optical fiber.
Scott R. Karlsen, David R. Balsley, Nicolas Trent Meacham, Austin Hagarty, Dahv A.V. Kliner
Filed: 24 Apr 23
Utility
Semiconductor Laser Device with First Order Diffraction Grating Extending to Facet
26 Oct 23
Some embodiments may include a semiconductor laser device comprising: an active layer to generate light; a front facet positioned at a first end of said active layer, with an AR coating or PR coating; a rear facet positioned on a second opposite end of said active layer thereby forming a resonator between said front facet and said rear facet; and a first order diffraction grating positioned within said resonator along only a portion of the length of said active layer, wherein the semiconductor laser device is arranged to emit light from both ends, and the diffraction grating has two non-contiguous segments each extending to one of the facets; or a single end, wherein the rear facet is a rear light reflecting facet with an HR-coating.
Manoj KANSKAR
Filed: 11 Nov 21
Utility
Fine-scale temporal control for laser material processing
24 Oct 23
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 scan path and in relation to the variable scan velocity so as to provide a fluence at the target within a predetermined fluence range along the scan path.
Robert J. Martinsen, Qi Wang
Filed: 16 May 22
Utility
Method and system for reducing returns from retro-reflections in active illumination system
17 Oct 23
Systems and methods for reducing or eliminating undesired effects of retro-reflections in imaging are disclosed.
Bodo Schmidt, Steve Herman
Filed: 7 Mar 22
Utility
Heat Sink with Removable Inserts
28 Sep 23
Various embodiments provide apparatuses, systems, and methods related to a heat sink with one or more removable inserts.
Mark J. DEFRANZA, Bryce TOKMAKIAN, Eric MARTIN, Manoj Kanskar
Filed: 16 Mar 23
Utility
Methods to Maintain and Control the Polarization State from 3C Optical Fiber
14 Sep 23
Fiber laser amplification systems and methods are disclosed for use with a chirally coupled core (3C) optical fiber enabling the generation of a high-power output beam having a controlled stable polarization state.
Tyson Lowder
Filed: 25 Apr 23
Utility
Opto-mechanical Mounting for Optical Components
31 Aug 23
An optical component has a bottom part located in an opening defined by a surface, wherein a distance between a sidewall of the bottom part of the optical component and a sidewall of the opening is non-uniform in which a width of a first section of the opening or a first section of the bottom part of the optical component is narrower than a width of a second lower section of the opening or a width of a second lower section of the bottom part of the optical component; and an adhesive is located in the opening between sidewalls.
David Martin Hemenway, Wolfram URBANEK, Kevin Fortier, David C. DAWSON, Eric Martin
Filed: 12 Jul 21
Utility
Single Mode Beam
31 Aug 23
Optical fiber structures for generating a single mode, saddle shaped output beam include first and second lengths of fiber.
Christopher Luetjen, Roger Farrow
Filed: 14 Jul 21
Utility
Clad Light Stripper with Light Traps
17 Aug 23
A mounting surface defines a branching channel, the branching channel having a main channel and one or more sub-channels branching off the main channel.
Kevin Michael Carbone
Filed: 13 Jul 21
Utility
Combiner Housing for Optical Fiber Combiner
17 Aug 23
A capillary combiner housing for an optical fiber combiner has an inner combiner casing supporting optical fibers.
Juan Carlos Lugo
Filed: 14 Jul 21
Utility
Beam parameter product (BPP) control by varying fiber-to-fiber angle
8 Aug 23
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 second fiber having an input end spliced to the output end of the first fiber at a fiber splice so as to receive the first laser beam and to form a second laser beam having a second bpp that is greater than the first bpp, wherein the output end of the first fiber and the input end of the second fiber are spliced at a tilt angle so as to increase the first bpp to the second bpp.
David Logan, Ryan Hawke, David R. Balsley, Ron Stevens
Filed: 6 Aug 20
Utility
Reducing Interference In an Active Illumination Environment
29 Jun 23
Apparatuses, systems and methods are disclosed for reducing interference between an active illumination device and external radiation sources, for example, other active illumination devices operating within the vicinity.
Bodo SCHMIDT
Filed: 28 Feb 23
Utility
Focus Assessment In Dynamically Focused Laser System
18 May 23
Some embodiments may include a method assessing whether a dynamic focus module in a three axis galvanometric scanning system (three-axis GSS) is associated with a focus calibration error.
Jay Small, Ken Gross
Filed: 14 Nov 22