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Nlight Inc patents


Recent patent applications related to Nlight Inc. Nlight Inc is listed as an Agent/Assignee. Note: Nlight Inc may have other listings under different names/spellings. We're not affiliated with Nlight Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nlight Inc-related inventors


Spun round core fiber

Optical waveguide cores having refractive index profiles that vary angularly about a propagation axis of the core can provide single-mode operation with larger core diameters than conventional waveguides. In one representative embodiment, an optical waveguide comprises a core that extends along a propagation axis and has a refractive index profile... Nlight Inc

Low size and weight, high power fiber laser pump

A device for cooling a laser diode pump comprising a Low Size Weight Power Efficient (SWAP) Laser Diode (LSLD) assembly, including a laser diode coupled to a submount on a first surface, the submount comprising a first thermally conductive material and a heatsink coupled to a second surface of the... Nlight Inc

Multifunctional circuit for monitoring fiber cable health

Described herein is a fiber laser coupler, comprising a fiber laser cable enclosed in a housing, the housing includes a circuit and a temperature sensitive variable resistance element (TSVRE) coupled to the circuit, wherein the TSVRE is in thermal contact with one or more locations within the housing and is... Nlight Inc

High-numerical aperture light stripper

A fiber connector, comprising a housing comprising a region extending in a lengthwise direction an optical fiber disposed in the region, a first portion of the optical fiber comprising an inner core, a cladding layer surrounding the core, and a first outer polymer layer surrounding the cladding layer and a... Nlight Inc

Double helix coolant path for high power fiber connector

A fiber connector, comprising a housing having a chamber extending in a lengthwise direction from a first end configured to receive a fiber to a second end configured to connect the fiber to a laser processing head and a channel disposed on an exterior surface of the chamber, the channel... Nlight Inc

Light trap for high power fiber laser connector

A fiber laser system includes a fiber laser connector having a housing to terminate a fiber that generates a laser beam. A chamber extends internally along a length of the housing. A light trap includes a plurality of threads formed along a wall of the chamber to trap light reflected... Nlight Inc

Fine-scale temporal control for laser material processing

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... Nlight Inc

Single-emitter line beam system

A line beam system includes a single-emitter light engine including a plurality of separately spaced single-emitter diode lasers, each emitter configured to emit a diode laser beam. Beam spacing optics are optically coupled to the single-emitter light engine and situated to provide propagation axes of the diode laser beams in... Nlight Inc

Diode laser packages with flared laser oscillator waveguides

A high brightness diode laser package includes a plurality of flared laser oscillator waveguides arranged on a stepped surface to emit respective laser beams in one or more emission directions, a plurality of optical components situated to receive the laser beams from the plurality of flared laser oscillator waveguides and... Nlight Inc

High brightness coherent multi-junction diode lasers

Laser diodes formed on a common substrate with layers of suitable thickness and refractive indices produce output beams that are coherently coupled. A phase mask can be situated to produce phase differences in one or more of the output beams to produce a common wavefront phase. The phase-corrected beams propagate... Nlight Inc

Spectrally multiplexing diode pump modules to improve brightness

A method of spectrally multiplexing diode pump modules to increase brightness includes generating one or more pump beams from respective diode lasers at a first wavelength in a diode laser package, generating one or more pump beams from respective diode lasers at a second wavelength different from the first wavelength... Nlight Inc

Distributed laser power architecture for laser diode arrays

Laser diode drivers include switching power supplies situated proximate one or more laser diode arrays so as to provide laser diode drive currents at frequencies of 200 kHz or more. The switching power supplies are generally buck/boost supplies that can provide well regulated outputs even when regulating remote power received... Nlight Inc

Passively aligned single element telescope for improved package brightness

Beam compressors include separated surfaces having positive and negative optical powers. A surface spacing is selected so that a collimated beam input to the beam compressor is output as a collimated beam. In some examples, beam compressors are situated to compress a laser beam stack that includes beams associated with... Nlight Inc

Flared laser oscillator waveguide

A broad area semiconductor diode laser device includes a multimode high reflector facet, a partial reflector facet spaced from said multimode high reflector facet, and a flared current injection region extending and widening between the multimode high reflector facet and the partial reflector facet, wherein the ratio of a partial... Nlight Inc

Method of processing calibration data in 3d laser scanner systems

A method includes determining a set of pattern position errors between (i) a set of expected pattern positions of a calibration pattern on a laser target situated in a laser processing field of a laser system and produced based on a set of initial scan optic actuation corrections associated with... Nlight Inc

Black sub-anodized marking using picosecond bursts

A method includes generating a plurality of pulse bursts with a predetermined quantity of intra-burst pulses in each pulse burst and a temporal spacing between the intra-burst pulses, and with a pulse burst frequency, and scanning the pulse bursts across an anodized target at a scan rate so that the... Nlight Inc

Fiber pump combiner

An optical fiber combiner comprising a coupling device having an input surface area, and you Ain, and an output surface area, Aout, wherein the input surface area Ain is greater than the output surface area Aout, and a plurality of optical fibers each having an input surface and an output... Nlight Inc

Pump combiner for multi-clad fibers

Disclosed herein is a fiber pump combiner, comprising, a multi-clad fiber comprising an outer cladding layer and an inner cladding layer, a plurality of tapered trenches formed in the inner cladding layer and a plurality of pump fibers, wherein the plurality of pump fibers are tapered and fused into corresponding... Nlight Inc

Fully controllable burst shaping individual pulses from picosecond fiber lasers

A pulse shaper includes a seed laser situated to emit laser pulses, an amplitude modulator situated to receive one or more laser pulse bursts from the seed laser, and a pulse signal generator situated to send a seed pulse signal with a predetermined delay to the seed laser so that... Nlight Inc

Reverse interleaving for laser line generators

An apparatus includes beam shearing optics situated to receive a collimated beam and to shear the collimated beam along a first direction so as to form a plurality of adjacent collimated beam portions, and homogenization optics situated to receive and homogenize the adjacent collimated beam portions along at least the... Nlight Inc

Laser module with meniscus collimating lens

Laser module including a meniscus collimating lens. In some embodiments, a monolithic material having an index of at least 2.0 provides a concave lens surface proximal to an emission surface of the laser and a convex lens surface distal from the emission surface. In some embodiments, a perimeter of the... Nlight Inc

Fine-scale temporal control for laser material processing

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... Nlight Inc

Programmable waveform simulator

A system includes a laser system situated to generate a laser beam, a controller situated to control a path of the laser beam on a target and to control a variation of one or more waveforms associated with the laser beam, and a display coupled to the controller and situated... Nlight Inc

Laser fault tolerance and self-calibration system

A laser diode system includes plurality of laser pumps, each of the plurality of laser pumps including a plurality of laser diode drivers and a plurality of laser diode elements, wherein each of the plurality of laser diode drivers is electrically coupled to power at least two of the plurality... Nlight Inc

Predictive modification of laser diode drive current waveform in order to optimize optical output waveform in high power laser systems

In an example, a laser system receives an externally generated single command. The single command may be selected from a set of commands usable to control a laser diode driver of the laser system. The laser system may determine whether to select a group of one or more commands from... Nlight Inc

Multiple laser module programming over internal communications bus of fiber laser

An apparatus includes a plurality of laser system modules coupled to a communication bus that includes a module update bus, each laser system module including at least one module update port coupled to the module update bus and at least one micro controller unit (MCU) in communication with the module... Nlight Inc

Fiber laser packaging

Packaging for a fiber laser includes a conduit surrounding the fiber laser and a thermally conductive compound filling a gap between the fiber laser and the conduit setting the fiber laser within the conduit. The fiber laser may have a substantially circular first cross section having a first diameter and... Nlight Inc

Rust free stainless steel engraving

A method includes generating at least one laser passivation pulse with process parameters selected to passivate an area of a metal target, and directing the at least one laser passivation pulse to the area in order to produce a passivation layer. Another method further includes, prior to laser passivation, generating... Nlight Inc

Beam parameter product (bpp) control by varying fiber-to-fiber angle

An apparatus includes a laser system that includes a first fiber having an output end and situated to propagate a first laser beam with a first beam parameter product (bpp) and a second fiber having an input end spliced to the output end of the first fiber at a fiber... Nlight Inc

Heat spreader with optimized coefficient of thermal expansion and/or heat transfer

Methods, systems and an apparatus relating to a heat spreader to be coupled to a heat source having a heat source coefficient of thermal expansion (HS CTE), the heat spreader comprising an anisotropic material having a high expansion axis. The heat spreader also including a surface to be coupled to... Nlight Inc

Spun round core fiber

Optical waveguide cores having refractive index profiles that vary angularly about a propagation axis of the core can provide single-mode operation with larger core diameters than conventional waveguides. An optical waveguide includes a core that extends along a propagation axis and has a refractive index profile that varies angularly about... Nlight Inc

Adaptive boost control for gating picosecond pulsed fiber lasers

A method includes applying a boost pump signal to a pump laser of a laser system based on a preceding off duration associated with the laser system, and applying a forward pump signal to the pump laser. A laser system includes a seed laser situated to generate seed optical pulses,... Nlight Inc








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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