72 patents
Utility
Radio-frequency excited gas laser
19 Dec 23
A radio-frequency excited carbon dioxide (CO2) or carbon monoxide (CO) gas laser includes two electrodes, which have passivated surfaces, within a sealed housing.
Leon A. Newman, Michael Leigh Ermold, James Hyland, Thomas V. Hennessey, Jr., Lanny Laughman
Filed: 28 Jan 21
Utility
Single and multi-stage high power optical isolators using a single polarizing element
4 Jul 23
An optical isolator for generally collimated laser radiation includes a single polarizing element, at least one Faraday optical element, at least one reciprocal polarization altering optical element disposed at the single polarizing element, at least one reflective optical element for reflecting radiation to provide an even number of passes through the at least one Faraday optical element, and a magnetic structure.
David G. Scerbak, Evan Rogers, Amir Jalali Roudsar, Joseph R. Mambourg
Filed: 25 Jul 19
Utility
Pulse Equalization In Q-switched Gas Lasers
18 May 23
A Q-switched gas laser apparatus with bivariate pulse equalization includes a gas laser, a sensor, and an electronic circuit.
Vernon SEGUIN, David P. SCHMELZER, Joel FONTANELLA, Peter ROSENTHAL
Filed: 28 Oct 22
Utility
Scanning Radial Laser Processing with Bi-conical Reflection
20 Apr 23
An apparatus for radial laser processing of a workpiece, located on a center axis, includes a laser beam scanner directing a laser beam along but offset from the center axis, and a bi-conical reflector system including first and second conical mirror surfaces surrounding the center axis.
Matthew R. KOLE
Filed: 10 Oct 22
Utility
Cantilever device for shifting optically nonlinear crystal
4 Apr 23
A device for shifting a nonlinear crystal arranged to frequency convert a laser beam includes an anchor, a mount for holding the nonlinear crystal, and two parallel flexures each interconnecting the mount and the anchor to cantilever the mount from the anchor.
Henning Bonn, Rüdiger Von Elm, Christian Kannengiesser
Filed: 27 Sep 21
Utility
Cantilever Device for Shifting Optically Nonlinear Crystal
30 Mar 23
A device for shifting a nonlinear crystal arranged to frequency convert a laser beam includes an anchor, a mount for holding the nonlinear crystal, and two parallel flexures each interconnecting the mount and the anchor to cantilever the mount from the anchor.
Henning BONN, Rüdiger VON ELM, Christian KANNENGIESSER
Filed: 27 Sep 21
Utility
Devices for thermally actuating deformable mirror, and associated manufacturing methods
7 Mar 23
A device for thermally actuating a deformable mirror includes a monolithic block that includes a mirror plate having a front face forming or configured to support a mirror, a base, and a one-dimensional array of thermally expandable actuators.
Rüdiger Von Elm
Filed: 23 Nov 20
Utility
Actively Cooled End-pumped Solid-state Laser Gain Medium
26 Jan 23
An actively cooled end-pumped solid-state laser gain device includes a bulk solid-state gain medium.
Qize SHU, Dmitri SIMANOVSKI
Filed: 29 Jun 22
Utility
Resonantly enhanced frequency conversion with adaptive thermal-lensing compensation
24 Jan 23
A system for resonantly enhanced frequency conversion includes a nonlinear crystal for frequency converting a pump laser beam, and mirrors forming a ring resonator for the pump laser beam such that a closed propagation path of the pump laser beam, inside the ring resonator, passes through the nonlinear crystal.
Rüdiger Von Elm
Filed: 15 Apr 21
Utility
Laser apparatus for cutting brittle material
10 Jan 23
An apparatus for cutting brittle material comprises an aspheric focusing lens, an aperture, and a laser-source generating a beam of pulsed laser-radiation.
Michael R. Greenberg, David M. Gaudiosi, Jochen Deile
Filed: 28 Apr 20
Utility
Thermally Actuated Adaptive Optics
29 Dec 22
A thermally actuated adaptive optic includes a base, a reflector, and a plurality of actuators coupled therebetween.
Michael HERTWIG, Keith M. MURDOCH
Filed: 28 Jun 21
Utility
Laser welding method
13 Dec 22
A method for laser keyhole welding is disclosed to weld two pieces together made of a metal alloy.
Ryan Brescoe
Filed: 22 May 20
Utility
Separation and release of laser-processed brittle material
13 Dec 22
A method for separating and releasing a closed-form piece from a workpiece made of a brittle material is disclosed.
Stefan Groninger, Manfred Schadi, Ludger Müllers, Jürgen Serbin
Filed: 11 Jul 19
Utility
Method and Apparatus for Laser Annealing
10 Nov 22
A layer on a substrate is laser annealed by pulses in a plurality of laser beams formed into a uniform line beam.
Paul VAN DER WILT
Filed: 15 Apr 22
Utility
Resonantly Enhanced Frequency Conversion with Adaptive Thermal-lensing Compensation
20 Oct 22
A system for resonantly enhanced frequency conversion includes a nonlinear crystal for frequency converting a pump laser beam, and mirrors forming a ring resonator for the pump laser beam such that a closed propagation path of the pump laser beam, inside the ring resonator, passes through the nonlinear crystal.
Rüdiger VON ELM
Filed: 15 Apr 21
Utility
Small, high power optical isolator
30 Aug 22
An optical isolator for use with high power, collimated laser radiation includes an input polarizing optical element, at least one Faraday optical element, at least two reflective optical elements for reflecting laser radiation to provide an even number of passes through said at least one Faraday optical element, at least one reciprocal polarization altering optical element, an output polarizing optical element, at least one light redirecting element for remotely dissipating isolated or lost laser radiation.
David G. Scerbak, Joseph R. Mambourg
Filed: 20 Dec 19
Utility
Optomechanical Assemblies for Temperature-robust Laser Beam Combination and Delivery
4 Aug 22
An optomechanical assembly for temperature-robust laser beam processing includes a baseplate and an optics plate.
Bradley CZOPEK, Cameron SIMMONS
Filed: 20 Jan 22
Utility
Optical parametric chirped-pulse amplifier
2 Aug 22
An optical parametric chirped-pulse amplifier includes first and second optical parametric amplifier stages that successively amplify a stretched signal beam.
Dmitri Simanovski, Norman Hodgson
Filed: 20 Aug 19
Utility
Laser welding method
19 Jul 22
A method for laser keyhole welding of metal alloys is disclosed.
Ryan Brescoe, Jean-Philippe Lavoie
Filed: 10 Feb 20
Utility
Pulsed laser with intracavity frequency conversion aided by extra-cavity frequency conversion
19 Jul 22
A pulsed third-harmonic laser system includes a pulsed laser, an extra-cavity nonlinear crystal, and an intracavity nonlinear crystal.
Qize Shu
Filed: 14 Aug 20