110 patents
Page 5 of 6
Utility
Additive manufacturing systems and methods for the same
25 May 20
Additive manufacturing systems and methods for fabricating an article are provided.
Joona Koponen, Dahv A. V. Kliner, Roger Farrow
Filed: 27 Mar 18
Utility
Method of forming pores in three-dimensional objects
25 May 20
A method of making a porous three-dimensional object.
Aaron Brown, Brian Victor, Robert Martinsen, Dahv A. V. Kliner, Roger Farrow
Filed: 28 Jan 18
Utility
Fiber optical beam delivery device producing selectable intensity profiles
25 May 20
An optical beam delivery device is configured to generate, from an optical beam, selectable intensity profiles.
Robert J. Martinsen, Dahv A. V. Kliner, Roger L. Farrow
Filed: 27 Mar 18
Utility
Systems and methods for modifying beam characteristics
25 May 20
Systems and methods for modifying an optical beam and adjusting one or more beam characteristics of an optical beam are provided.
Scott Karlsen, Brian Victor, Dahv A. V. Kliner, Roger Farrow
Filed: 27 Mar 18
Utility
Adjustable beam characteristics
25 May 20
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 modification of one or more beam characteristics of an optical beam by a perturbation device and a second length of fiber having a second RIP coupled to the first length of fiber, the second RIP formed to confine at least a portion of the modified beam characteristics of the optical beam within one or more confinement regions.
Dahv A. V. Kliner, Roger Farrow
Filed: 25 May 17
Utility
Method and system for cutting a material using a laser having adjustable beam characteristics
25 May 20
Disclosed herein are methods, apparatus, and systems for perturbing a laser beam propagating within a first length of fiber to adjust one or more beam characteristics of the laser beam in the first length of fiber or a second length of fiber or a combination thereof, coupling the perturbed laser beam into a second length of fiber and maintaining at least a portion of one or more adjusted beam characteristics within a second length of fiber having.
Ken Gross, Scott Karlsen, Dahv A. V. Kliner, Roger Farrow
Filed: 26 Feb 18
Utility
Multicore fiber-coupled optical probing techniques
18 May 20
An optical beam delivery device establishes, from an optical beam, an optical trap that is moveable to different optical trap locations.
Chris A. Rivera, Roger L. Farrow
Filed: 21 Mar 18
Utility
Fiber optical beam delivery device producing output exhibiting intensity distribution profile having non-zero ellipticity
18 May 20
An optical beam delivery device formed of optical fibers that are configured to produce an output exhibiting an intensity distribution profile having non-zero ellipticity includes a first length of fiber through which an incident optical beam having beam characteristics propagates and which has a first refractive index profile (RIP).
Dahv A. V. Kliner, Roger L. Farrow
Filed: 26 Mar 18
Utility
Use of variable beam parameters to control solidification of a material
18 May 20
A method for forming an article includes providing a material having a first material property; forming a melt pool by exposing the material to an optical beam having at least one beam characteristic, wherein the melt pool has at least one melt pool property determinative of a second material property of the material; and modifying the at least one beam characteristic in response to a change in the melt pool property.
Brian Victor, Robert Martinsen, Lynn Sheehan, Dahv A. V. Kliner, Roger Farrow
Filed: 30 Jan 18
Utility
Low divergence high brightness broad area lasers
18 May 20
Apparatus comprise a semiconductor waveguide extending along a longitudinal axis and including a first waveguide section and a second waveguide section, wherein a lateral refractive index difference defining the semiconductor waveguide is larger for the first waveguide section than for the second waveguide section, and an output facet situated on the longitudinal axis of the semiconductor waveguide so as to emit a laser beam propagating in the semiconductor waveguide, wherein the first waveguide section is situated between the second waveguide section and the output facet and wherein the lateral refractive index difference suppresses emission of higher order transverse modes in the laser beam emitted by the output facet.
Zhigang Chen, Manoj Kanskar
Filed: 5 Jun 18
Utility
Use of variable beam parameters to control a melt pool
11 May 20
A method for forming an article includes: forming a melt pool; exposing the melt pool to an optical beam having at least one beam characteristic; forming a keyhole cavity in the melt pool, the keyhole cavity having at least one keyhole cavity property; and modifying the at least one beam characteristic in response to a change in the keyhole cavity property.
Brian Victor, Robert Martinsen, Lynn Sheehan, Roger Farrow, Dahv A. V. Kliner
Filed: 30 Jan 18
Utility
Multi-function semiconductor and electronics processing
11 May 20
A method of tailoring beam characteristics of a laser beam during fabrication of an electronic device.
David Martin Hemenway, Ken Gross, Dahv A. V. Kliner, Roger Farrow
Filed: 22 Mar 18
Utility
High-power laser diode package implemented with meniscus slow axis collimator for reduced diode package footprint or improved laser output brightness
11 May 20
A high-power laser diode assembly uses a greater number of emitters in a laser diode package or uses larger, wider laser diode emitters to produce higher-power laser output.
David Martin Hemenway
Filed: 14 Nov 18
Utility
Beam offset plate for optically offsetting one or more laser beams
20 Apr 20
A laser diode assembly, comprising a plurality of laser diodes each configured to emit respective ones of a plurality of laser beams along parallel and nonoverlapping optical axes and a first beam offset plate (BOP) configured to receive a first of the laser beams on a first input surface, the first laser beam having a first input optical axis, the first BOP configured to transmit a first output laser beam that has a first vertical offset from the first input optical axis.
David Martin Hemenway, David C. Dawson, Wolfram Urbanek
Filed: 26 Mar 18
Utility
Laser patterning skew correction
13 Apr 20
A laser patterning alignment method provides a way to position a target at a working distance in a laser patterning system such that fiducial marks on the target are positioned in view of at least three laser patterning system cameras, and with each laser patterning system camera, to locate a fiducial mark on the target and sending location data of the located fiducial mark to a controller, to determine corrections required to align expected fiducial mark locations with the sent fiducial mark location data, and to adjust the laser patterning system with the determined corrections.
Vito P. Errico, Roger C. Shipman
Filed: 4 Jun 14
Utility
Laser burst logging systems and methods
30 Mar 20
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: 4 Mar 19
Utility
Fiber laser packaging
24 Feb 20
A packaged fiber laser may include a wound fiber laser spiral including a metal ribbon having ends, surfaces, and edges; a fiber laser on a first one of the surfaces of the metal ribbon; and a metal sheet coupled to a first one of the edges of the metal ribbon or a second one of the surfaces of the metal ribbon.
Aaron Ludwig Hodges, Mitchell Ryan Reynolds
Filed: 13 Dec 17
Utility
Scanner drift compensation for laser material processing
24 Feb 20
A scanned optical beam is divided so as to form a set of scanned subbeams.
Scott R. Karlsen, Robert J. Martinsen
Filed: 31 Jul 14
Utility
Passively aligned single element telescope for improved package brightness
17 Feb 20
Beam compressors include separated surfaces having positive and negative optical powers.
David Martin Hemenway, David C. Dawson, Wolfram Urbanek
Filed: 13 Mar 19
Utility
Optimization of high resolution digitally encoded laser scanners for fine feature marking
10 Feb 20
Disclosed herein are laser scanning systems and methods of their use.
Ken Gross
Filed: 5 Nov 17