193 patents
Page 8 of 10
Utility
Beam modification structures and methods of modifying optical beam characteristics using the beam modification structures
15 Jun 20
An optical beam delivery device.
Ken Gross, Dahv A. V. Kliner, Roger Farrow
Filed: 27 Mar 18
Utility
Production of temporally apparent intensity distribution by rapid perturbation of variable beam characteristics optical fiber
8 Jun 20
Disclosed are an optical beam delivery device, systems, and methods for sequentially adjusting, with respect to members of a set of confinement regions, a propagation path for establishing a controllable, temporally apparent intensity distribution.
Aaron W. Brown, Dahv A. V. Kliner, Roger L. Farrow
Filed: 27 Mar 18
Utility
Multi-operation laser tooling for deposition and material processing operations
1 Jun 20
Disclosed herein are methods, apparatus, and systems for a multi-operation optical beam delivery device having a laser source to generate the optical beam.
Brian M. Victor, Ken Gross, Aaron W. Brown, Dahv A. V. Kliner
Filed: 21 Mar 18
Utility
Method of forming three-dimensional objects
1 Jun 20
A method of making a three-dimensional object.
Aaron Brown, Keith Kennedy, David Dawson, Robert Martinsen, Roger Farrow, Dahv A. V. Kliner
Filed: 28 Jan 18
Utility
Systems for and methods of temperature control in additive manufacturing
1 Jun 20
An apparatus for temperature control in additive manufacturing may include: an optical beam source configured to generate one or more optical beams; a homogenizer configured to flatten an irradiance profile of the generated one or more optical beams; and/or an optical system configured to form the generated one or more optical beams so as to match a portion of a shape of a powder bed.
Scott Karlsen, Dahv A. V. Kliner, Roger Farrow
Filed: 26 Mar 18
Utility
All-fiber optical beam switch
1 Jun 20
An all-fiber optical beam switch mechanism includes a first length of fiber through which an incident optical beam having beam characteristics propagates along a first propagation path and which has a first refractive index profile (RIP).
Scott R. Karlsen, Brian M. Victor, Roger L. Farrow
Filed: 23 Mar 18
Utility
Fiber-based optical modulator
1 Jun 20
Methods, apparatus, and systems for modulation of a laser beam.
Dahv A. V. Kliner, Roger Farrow
Filed: 15 Mar 18
Utility
Fiber-based saturable absorber
1 Jun 20
Methods, apparatus, and systems for active saturable absorbance of an optical beam.
Dahv A. V. Kliner
Filed: 15 Mar 18
Utility
Fiber-coupled laser with time varying beam characteristics
1 Jun 20
Methods, apparatus, and systems comprising a fiber-coupled laser and time-varying beam characteristics.
Dahv A. V. Kliner, Brian Victor, Lynn Sheehan, Aaron Brown
Filed: 27 Mar 18
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
High-power Laser Diode Package Implemented with Meniscus Slow Axis Collimator for Reduced Diode Package Footprint or Improved Laser Output Brightness
20 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
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