193 patents
Page 5 of 10
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
High-power, Single-mode Fiber Sources
4 Nov 21
An optical apparatus includes one or more pump sources situated to provide laser pump light, and a gain fiber optically coupled to the one or more pump sources, the gain fiber including an actively doped core situated to produce an output beam, an inner cladding and outer cladding surrounding the doped core and situated to propagate pump light, and a polymer cladding surrounding the outer cladding and situated to guide a selected portion of the pump light coupled into the inner and outer claddings of the gain fiber.
Dahv A.V. Kliner, Roger L. Farrow
Filed: 19 Jan 21
Utility
Methods of and Systems for Processing Using Adjustable Beam Characteristics
16 Sep 21
A method of processing by controlling one or more beam characteristics of an optical beam may include: launching the optical beam into a first length of fiber having a first refractive-index profile (RIP); coupling the optical beam from the first length of fiber into a second length of fiber having a second RIP and one or more confinement regions; modifying the one or more beam characteristics of the optical beam in the first length of fiber, in the second length of fiber, or in the first and second lengths of fiber; confining the modified one or more beam characteristics of the optical beam within the one or more confinement regions of the second length of fiber; and/or generating an output beam, having the modified one or more beam characteristics of the optical beam, from the second length of fiber.
Ken GROSS, Brian VICTOR, Robert MARTINSEN, Dahv A.V. KLINER, Roger FARROW
Filed: 18 Dec 20
Utility
System and Method of Three-dimensional Imaging
9 Sep 21
Systems and methods for three-dimensional imaging are disclosed.
Paul S. Banks
Filed: 22 Dec 20
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
Fiber Source with Cascaded Gain Stages And/or Multimode Delivery Fiber with Low Splice Loss
22 Jul 21
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
Scalable High Power Fiber Laser
22 Jul 21
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 disposed from each other, each pump module including a plurality of fiber-coupled component pump sources optically combined by one or more fiber-based pump module pump combiners, each pump module providing one or more pump module fiber outputs, and a gain module separately disposed from the one or more separable pump modules and including one or more gain module pump fiber inputs optically coupled to corresponding ones of the pump module fiber outputs, and including a gain fiber optically coupled to the one or more gain module pump fiber inputs, the gain fiber configured to generate a gain module fiber output power scalable in relation to the number and power of said pump module fiber outputs coupled to the gain fiber.
Dahv A.V. Kliner
Filed: 5 Apr 21
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
Power and Brightness Scaling In Fiber Coupled Diode Lasers Using Diodes with Optimized Beam Dimensions
27 May 21
A number of beams that can be coupled into an optical fiber can be increased using emitted beams having greater divergence, thus providing increased beam power.
Zhigang Chen, David Martin Hemenway, Manoj Kanskar
Filed: 25 Nov 20
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
Utility
Diode Laser Apparatus with Fac Lens Out-of-plane Beam Steering
29 Apr 21
Apparatus include a first laser diode situated to emit a beam from an exit facet along an optical axis, the beam as emitted having perpendicular fast and slow axes perpendicular to the optical axis, a first fast axis collimator (FAC) optically coupled to the beam as emitted from the exit facet and configured to direct the beam along a redirected beam axis having a non-zero angle with respect to the optical axis of the first laser diode, a second laser diode situated to emit a beam from an exit facet of the second laser diode along an optical axis parallel to the optical axis of the first laser diode and with a slow axis in a common plane with the slow axis of the first laser diode, and a second fast axis collimator (FAC) optically coupled to the beam as emitted from the exit facet of the second laser diode and configured to direct the beam along a redirected beam axis having a non-zero angle with respect to the optical axis of the second laser diode.
Zhigang Chen, Manoj Kanskar, Shuang Li, Jim Zhang, Mark DeFranza, David Martin Hemenway, Eric Martin, Jay Small
Filed: 9 Nov 20
Utility
Fiber source with cascaded gain stages and/or multimode delivery fiber with low splice loss
6 Apr 21
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: 6 Jul 18
Utility
Scalable high power fiber laser
6 Apr 21
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 disposed from each other, each pump module including a plurality of fiber-coupled component pump sources optically combined by one or more fiber-based pump module pump combiners, each pump module providing one or more pump module fiber outputs, and a gain module separately disposed from the one or more separable pump modules and including one or more gain module pump fiber inputs optically coupled to corresponding ones of the pump module fiber outputs, and including a gain fiber optically coupled to the one or more gain module pump fiber inputs, the gain fiber configured to generate a gain module fiber output power scalable in relation to the number and power of said pump module fiber outputs coupled to the gain fiber.
Dahv A. V. Kliner
Filed: 5 Mar 18
Utility
Short pulse fiber laser for LTPS crystallization
23 Mar 21
Laser pulses from pulsed fiber lasers are directed to an amorphous silicon layer to produce a polysilicon layer comprising a disordered arrangement of crystalline regions by repeated melting and recrystallization.
Robert J. Martinsen, Scott R. Karlsen, Ken Gross
Filed: 10 Oct 19
Utility
Tandem pumped fiber laser or fiber amplifier
16 Mar 21
In an example, an apparatus to tandem pump a fiber laser or fiber amplifier may include a combiner; a power amplifier or a power oscillator, or a combination thereof, coupled to an output of the combiner; a seed laser to output light to the power amplifier or the power oscillator, or the combination thereof, via the combiner; and a tandem pump to generate light of a pump source signal, wherein the light of the pump source signal is output to the combiner to cladding pump the power amplifier or the power oscillator, or the combination thereof.
Manoj Kanskar
Filed: 11 Jan 18