110 patents
Page 2 of 6
Utility
Optimization of high resolution digitally encoded laser scanners for fine feature marking
9 Aug 22
Disclosed herein are laser scanning systems and methods of their use.
Ken Gross
Filed: 10 Feb 20
Utility
Calibration test piece for galvanometric laser calibration
19 Jul 22
Some embodiments may include a galvanometric laser system, comprising: a laser device to generate a laser beam; an X-Y scan head module to position the laser beam on a work piece, the X-Y scan head module including a laser ingress to receive the laser beam and a laser egress to output the laser beam; a support platen located below the laser egress; an in-machine imaging system integrated with the galvanometric laser, wherein a camera of the in-machine imaging system is arranged to view a surface of an object located on the support platen using one or more optical components of the X-Y scan head module to generate assessment data associated with a calibration of the X-Y scan head module by imaging the surface of the object, wherein a calibration fiducial is located on the surface of the object.
Aaron Brown, Jay Small, Robert J. Martinsen
Filed: 30 Aug 19
Utility
Single mode LMA (large mode area) fiber
7 Jun 22
Large mode area optical fibers include cores that are selected to be smaller than a core size associated with a minimum mode field diameter of a lowest order mode.
Manoj Kanskar
Filed: 1 Apr 19
Utility
Fine-scale temporal control for laser material processing
17 May 22
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: 12 Sep 19
Utility
Method and system for reducing returns from retro-reflections in active illumination system
8 Mar 22
Systems and methods for reducing or eliminating undesired effects of retro-reflections in imaging are disclosed.
Bodo Schmidt, Steve Herman
Filed: 8 Jan 19
Utility
High power laser system
22 Feb 22
A laser system capable of producing a stable and accurate high-power output beam from one or more input beams of corresponding laser sources comprises one or more optical elements configured to receive the input beams wherein at least one of said one or more optical elements is made of high purity fused silica.
Scott R. Karlsen, Robert J. Martinsen, Keith W. Kennedy
Filed: 2 Oct 18
Utility
Laser burst logging systems and methods
1 Feb 22
A burst logging system logs and transmits to a local or remote computing system event data related to errors in and or potential failures of laser system components.
Michael C. Nelson
Filed: 16 Mar 20
Utility
Tandem pumped fiber amplifier
28 Dec 21
In an example, a tandem pumped fiber amplifier may include a seed laser, one or more diode pumps, and a single or plural active core fiber.
Manoj Kanskar, Jiamin Zhang
Filed: 26 Nov 18
Utility
System and method of imaging using multiple illumination pulses
28 Dec 21
Imaging systems and methods are disclosed that use multiple illumination pulses to irradiate a scene of interest.
Bodo Schmidt, Lorenzo N. Venneri, Charles Stewart Tuvey
Filed: 28 Dec 17
Utility
3D imaging system and method
28 Dec 21
A 3D imaging system includes an optical modulator for modulating a returned portion of a light pulse as a function of time.
Paul S. Banks, Bodo Schmidt, C. Stewart Tuvey, Lorenzo N. Venneri
Filed: 28 Feb 17
Utility
Fine-scale temporal control for laser material processing
23 Nov 21
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
Filed: 22 May 17
Utility
Optical fiducial generation for galvanometric scanner calibration
16 Nov 21
An apparatus includes an optical source situated to produce a fiducial source beam, and an optical fiducial pattern generator situated to produce with the fiducial source beam at least one transient optical fiducial on a laser processing target that is in a field of view of a laser scanner situated to scan a laser processing beam across the laser processing target, so that a positioning of the laser processing beam on the laser processing target becomes adjustable relative to the at least one transient optical fiducial.
Jay Small, Robert J. Martinsen
Filed: 4 Apr 18
Utility
Splice with cladding mode light stripping
31 Aug 21
Beam combining optical systems include a fiber beam combiner having multiple inputs to which output fibers of laser diode sources are spliced.
Chris A. Rivera, Dahv A. V. Kliner, Joseph Emery
Filed: 24 Aug 17
Utility
Heat sink formed from a high pipe density silicon carbide substrate
10 Aug 21
Some embodiments may include a porous silicon carbide substrate plugged with dielectric material, the porous silicon carbide substrate including a first side to couple to a heat source and a second side to couple to an electrically conductive surface, wherein the second side is opposite the first side; wherein in the case that an opening on the area of the first side forms a channel with an opening on an area of the second side, a portion of the dielectric material located in the channel is arranged to prevent an electrical short from forming through the porous silicon carbide substrate to the electrically conductive surface.
Travis Arthur Abshere
Filed: 15 Oct 19
Utility
Bidirectionally emitting semiconductor laser devices
13 Jul 21
Disclosed are embodiments of bidirectionally emitting semiconductor (BEST) laser architectures including higher order mode suppression structures.
Manoj Kanskar
Filed: 13 Sep 19
Utility
Laser power distribution module
8 Jun 21
A laser system including a rack, a plurality of laser modules mounted in the rack to drive light through an optical fiber exiting the system, and a power distribution module to distribute electricity through circuit branches coupled to the laser modules is generally presented.
Joseph J. Emery, Jeremy Young, Shelly Lin, Ken Almonte, Nathaniel Black
Filed: 25 Aug 17
Utility
Portable industrial fiber optic inspection scope
1 Jun 21
An apparatus includes a camera, a dark field illumination source, and a fiber inspection housing including a fiber connector input situated to receive an optical fiber connector so that an optical fiber output end of the optical fiber connector is removably insertable into an interior region of the fiber inspection housing and securable at a predetermined location in the interior region, a camera input situated to receive and secure the camera so that the camera is in optical communication with the interior region and the optical fiber output end, and a dark field illumination source input situated to receive the dark field illumination source so that light emitted from the dark field illumination source is received by the optical fiber output end at a dark field illumination angle and is scattered by contamination or defects associated with the optical fiber output end so as to be detectable by the camera.
Aaron Brown, Dahv A. V. Kliner, Scott R. Karlsen, Jeremy Young, Ryan Hawke, David R. Balsley, Ron Stevens
Filed: 29 Apr 16
Utility
Laser cooling system
1 Jun 21
A laser cooling system includes a first tubing, a second tubing, and a cold plate assembly including a first channel to receive the first tubing and a second channel to receive the second tubing.
Aaron Ludwig Hodges, Rodney Mark Stephens
Filed: 28 Aug 17
Utility
Laser patterning of multi-layer structures
18 May 21
A method of non-ablatively laser patterning a multi-layer structure, the multi-layer structure including a substrate, a first layer disposed on the substrate, a second layer disposed on the first layer, and a third layer disposed on the second layer, the method including generating at least one laser pulse having laser parameters selected for non-ablatively changing the conductivity a selected portion of the third layer such that the selected portion becomes non-conductive, and directing the pulse to the multi-layer structure, wherein the conductivity of the first layer is not substantially changed by the pulse.
Adam Dittli, Robert J. Martinsen
Filed: 25 Sep 18
Utility
Optical fiber splice encapsulated by a cladding light stripper
18 May 21
Spliced multi-clad optical fibers with a cladding light stripper (CLS) encapsulating the splice.
Ryan Hawke, Teemu Kokki, Shaun Hampton, Chris Luetjen
Filed: 23 Aug 19