193 patents
Page 4 of 10
Utility
Optical Fiber Devices and Methods for Reducing Stimulated Raman Scattering (SRS) Light Intensity In Signal Combined Systems
21 Apr 22
Signal combined optical fiber devices, systems, and methods for reducing signal spectrum pumping of Raman spectrum.
Tyson L. Lowder, Dahv A.V. Kliner, C. Geoffrey Fanning
Filed: 19 Dec 19
Utility
Integrated Thermal Management of Fiber Coupled Diode Laser Packaging
21 Apr 22
A laser diode package, comprising a housing having a metal base portion, an integrated heat spreader formed within the base, the integrated heat spreader comprising a first phase-change material (PCM) and configured to dissipate heat via phase-change cooling.
Manoj KANSKAR
Filed: 20 Dec 19
Utility
Optical Fiber Splice Encapsulated by a Cladding Light Stripper
14 Apr 22
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
Optical Fiber Devices and Methods for Directing Stimulated Raman Scattering (SRS) Light Out of a Fiber Core & into a Cladding
24 Mar 22
Optical fiber devices, systems, and methods for separating Raman spectrum from signal spectrum.
Tyson L. Lowder, Dahv A.V. Kliner, C. Geoffrey Fanning
Filed: 19 Dec 19
Utility
Methods for SRS Protection of Laser Components and Apparatus Providing SRS Protection
24 Mar 22
Apparatus include a first optical fiber including a core situated to propagate a signal beam at a signal wavelength and an unwanted stimulated Raman scattering (SRS) beam at an SRS wavelength associated with the signal wavelength, and a fiber Bragg grating (FBG) situated in a core of a second optical fiber optically coupled to the core of the first optical fiber, the FBG having a selected grating reflectivity associated with the SRS wavelength and being situated to reflect the SRS beam back along the core of the second optical fiber and to reduce a damage associated with propagation of the SRS beam to power sensitive laser system components optically coupled to the second optical fiber.
C. Geoffrey Fanning, Jay Small, Dahv A.V. Kliner, Chris A. Rivera
Filed: 31 Dec 19
Utility
Optical Fiber Devices and Methods for Reducing Stimulated Raman Scattering (SRS) Light Emissions from a Resonant Cavity
17 Mar 22
Fiber laser devices, systems, and methods for reducing Raman spectrum in emissions from a resonant cavity.
Tyson L. Lowder, Dahv A.V. Kliner, C. Geoffrey Fanning
Filed: 19 Dec 19
Utility
Optical Fiber Devices and Methods for Directing Stimulated Raman Scattering (SRS) Light Out of a Fiber
10 Mar 22
Optical fiber devices, systems, and methods for coupling Raman spectrum out of an optical fiber selectively over a signal spectrum, which may be propagated in one or more guided modes of a fiber system.
Tyson L. Lowder, Dahv A.V. Kliner, C. Geoffrey Fanning
Filed: 19 Dec 19
Utility
Method, System and Apparatus for Differential Current Injection
10 Mar 22
A laser diode, comprising a transverse waveguide comprising an active layer between an n-type semiconductor layer and a p-type semiconductor layer wherein the transverse waveguide is bounded by a lower index n-cladding layer on an n-side of the transverse waveguide and a lower index p-cladding layer on a p-side of the transverse waveguide a cavity that is orthogonal to the transverse waveguide, wherein the cavity is bounded in a longitudinal direction at a first end by a high reflector (HR) facet and at a second end by a partial reflector (PR) facet, and a first contact layer electrically coupled to the waveguide and configured to vary an amount of current injected into the waveguide in the longitudinal direction so as to inject more current near the HR facet than at the PR facet.
Manoj KANSKAR, Zhigang CHEN
Filed: 20 Dec 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
Optical Fiber Devices and Methods for Suppressing Stimulated Raman Scattering (SRS)
3 Mar 22
Optical fiber devices, systems, and methods for separating Raman spectrum from signal spectrum Raman spectrum may be suppressed as a result of a reduction in gain and/or through dissipation while the signal spectrum may Raman Components In be propagated in one or more guided modes of a fiber system.
Tyson L. Lowder, Dahv A.V. Kliner, C. Geoffrey Fanning
Filed: 19 Dec 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
Electro-optic Modulator and Methods of Using and Manufacturing Same for Three-dimensional Imaging
17 Feb 22
Apparatuses, systems and methods for modulating returned light for acquisition of 3D data from a scene are described.
Christopher Allen Ebbers, Paul S. Banks, Charles S. Tuvey
Filed: 11 Sep 19
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
Reissue
Slanted FBG for SRS suppression
25 Jan 22
An example apparatus includes an optical fiber including a core and cladding, the core being situated to propagate an optical beam along a propagation axis associated with the core, and at least one fiber Bragg grating (FBG) situated in the core of the optical fiber, the fiber Bragg grating including a plurality of periodically spaced grating portions situated with respect to the propagation axis so that light associated with Raman scattering is directed out of the core so as to reduce the generation of optical gain associated with stimulated Raman scattering (SRS).
Dahv A. V. Kliner, Timothy S. McComb
Filed: 25 Apr 19
Utility
CorrectedMethod and System for Reducing Returns from Retro-reflections In Active Illumination System
20 Jan 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
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
Splice with Cladding Mode Light Stripping
2 Dec 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: 16 Aug 21
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