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Lasers patents

      

This page is updated frequently with new Lasers-related patent applications.




 Laser-colored sapphire material patent thumbnailLaser-colored sapphire material
A colored sapphire material and methods for coloring sapphire material using lasers are disclosed. The method for coloring the sapphire material may include positioning the sapphire material over an opaque substrate material, exposing the opaque substrate material to a laser beam passing through the sapphire material to impact the substrate material, and inducing a chemical change in a portion of the sapphire material exposed to the laser beam.
Apple Inc.


 Inexpensive variable rep-rate source for high-energy, ultrafast lasers patent thumbnailInexpensive variable rep-rate source for high-energy, ultrafast lasers
System for converting relatively long pulses from rep-rate variable ultrafast optical sources to shorter, high-energy pulses suitable for sources in high-energy ultrafast lasers. Fibers with positive group velocity dispersion (gvd) and self phase modulation are advantageously employed with the optical sources.
Imra America, Inc.


 Blanking out of pulses in pulsed lasers for ldi mass spectrometers patent thumbnailBlanking out of pulses in pulsed lasers for ldi mass spectrometers
The invention relates to optically pumped and pulsed solid-state lasers which are used in mass spectrometers in particular for ionization by matrix-assisted laser desorption (maldi) and which operate at pulse frequencies of up to 10 kilohertz or even higher. The invention proposes that, instead of interrupting the clocked sequence of the laser operation, individual light pulses or groups of light pulses are blanked out so that subsequent light pulses do not have a higher energy density, in accordance with the requirements for ldi processes.
Bruker Daltonik Gmbh


 Apparatus and methods for one or more wavelength swept lasers and the detection of signals thereof patent thumbnailApparatus and methods for one or more wavelength swept lasers and the detection of signals thereof
An optical instrument including at least a first and second wavelength swept vertical cavity laser (vcl) sources. The wavelength sweeping ranges spanned by the first and second vcl sources may differ with a region of spectral overlap.
Praevium Research, Inc.


 Short-wave infrared super-continuum lasers for early detection of dental caries patent thumbnailShort-wave infrared super-continuum lasers for early detection of dental caries
A wearable device for use with a smart phone or tablet includes a measurement device having a plurality of leds generating a near-infrared input optical beam that measures physiological parameters. The measurement device includes lenses configured to receive and to deliver the input beam to skin which reflects the beam.
Omni Medsci, Inc.


 Waveguide structure for mid-ir multiwavelength concatenated distributed-feedback laser with an active core made of cascaded stages patent thumbnailWaveguide structure for mid-ir multiwavelength concatenated distributed-feedback laser with an active core made of cascaded stages
Concatenated distributed feedback lasers having novel waveguides are disclosed. The waveguides allow for coupling of the laser beam between active and passive waveguide structures and improved device design and output efficiency.
Thorlabs Quantum Electronics, Inc.


 Ground-based laser ranging system for identification and tracking of orbital debris patent thumbnailGround-based laser ranging system for identification and tracking of orbital debris
A ground-based laser ranging system and method are provided that enable meter-level or better ranging precision on optically passive 10-30 cm average-sized orbital debris targets. The system and method can improve current predictions by up to 85%.
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration


 Short-wave infrared super-continuum lasers for natural gas leak detection, exploration, and other active remote sensing applications patent thumbnailShort-wave infrared super-continuum lasers for natural gas leak detection, exploration, and other active remote sensing applications
A measurement system includes semiconductor light sources generating an input beam, optical amplifiers receiving the input beam and delivering an intermediate beam, and fused silica fibers with core diameters less than 400 microns receiving and delivering the intermediate beam to the fibers forming a first optical beam. A nonlinear element receives the first optical beam and broadens the spectrum to at least 10 nm through a nonlinear effect to form the output optical beam which includes a near-infrared wavelength of 700-2500 nm.
Omni Medsci, Inc.


 Wavelength locking and multiplexing of high-power semiconductor lasers patent thumbnailWavelength locking and multiplexing of high-power semiconductor lasers
The invention relates to wavelength stabilization and wavelength multiplexing of multiple high-power multi-mode semiconductor lasers. The lasers are wavelength-stabilized in free space using multi-peak output reflectors to wavelength-lock their output at different reflection wavelength in dependence on operating conditions, to reduce output reflectivity required for locking and increase output power.
Lumentum Operations Llc


 Photonic integrated circuits based on quantum cascade structures patent thumbnailPhotonic integrated circuits based on quantum cascade structures
Photonic integrated circuits (pics) are based on quantum cascade (qc) structures. In embodiment methods and corresponding devices, a qc layer in a wave confinement region of an integrated multi-layer semiconductor structure capable of producing optical gain is depleted of free charge carriers to create a low-loss optical wave confinement region in a portion of the structure.
Pendar Technologies, Llc


Wafer scale monolithic integration of lasers, modulators, and other optical components using ald optical coatings

After forming a monolithically integrated device including a laser and a modulator on a semiconductor substrate, an anti-reflection coating layer is formed over the monolithically integrated device and the semiconductor substrate by an atomic layer deposition (ald) process. The anti-reflection coating layer is lithographically patterned so that an anti-reflection coating is only present on exposed surfaces of the modulator.
International Business Machines Corporation

Wafer scale monolithic integration of lasers, modulators, and other optical components using ald optical coatings

After forming a monolithically integrated device including a laser and a modulator on a semiconductor substrate, an anti-reflection coating layer is formed over the monolithically integrated device and the semiconductor substrate by an atomic layer deposition (ald) process. The anti-reflection coating layer is lithographically patterned so that an anti-reflection coating is only present on exposed surfaces of the modulator.
International Business Machines Corporation

Organic semiconductor compositions

The present invention relates to organic semiconductor compositions and organic semiconductor layers and devices comprising such organic semiconductor compositions. The invention is also concerned with methods of preparing such organic semiconductor compositions and layers and uses thereof.
Smartkem Limited

Remote target identification using laser doppler vibrometry

A laser doppler vibrometer architecture and detection technique that can remotely identify targets based on their natural vibration frequencies using a scanning fabry-pérot interferometer. The proposed systems and methods can have stand-off distances longer than the coherence length of the laser by using spectroscopic detection methods instead of coherent heterodyne detection using a local oscillator.
The Boeing Company

Integrated multichannel photonic receiver

An integrated multi-channel photonic radio-frequency (rf) receiver system includes a master oscillator including a laser source configured to generate laser light. A local oscillator (lo) path may include an lo generator, an lo modulator, an optical lo filter, and an optical amplifier optically coupled to one another to generate an lo signal.
Lockheed Martin Corporation

Method or wrinkle treatment

A method and apparatus are disclosed for skin wrinkle removal. After applying a tube encircling a relatively small skin area along the wrinkled line, a set of laser beams will be activated.

High-bandwidth underwater data communication system

An apparatus is described which uses directly modulated ingan light-emitting diodes (leds) or ingan lasers as the transmitters for an underwater data-communication device. The receiver uses automatic gain control to facilitate performance of the apparatus over a wide-range of distances and water turbidities..
Fairfield Industries Incorporated

Large martix vcsel termination without channel laser crosstalk

A termination ferrule includes a ferrule body and a ferrule plate. The ferrule body includes multiple bores arranged to align with a pattern of lasers in a vertical-cavity surface-emitting laser (vcsel) array.
Verizon Patent And Licensing Inc.

Ic device-in-pocket detection with angular mounted lasers and a camera

An apparatus includes a device holder including a device placement area configured to hold an electronic device, and a shoulder extending peripherally around the device placement area; a laser line generator configured to generate a laser line that includes (i) a device placement area laser line portion, and (ii) a shoulder area laser line portion; a camera configured to obtain an image of at least the laser line; and a processor configured to: receive the image from the camera, determine (i) an angle of the device placement area laser line portion, and/or (ii) an offset between the location of the device placement area laser line portion and the location of the shoulder area laser line portion, and determine whether an electronic device is positioned in the device placement area or positioned incorrectly in the device holder.. .
Delta Design, Inc.

Using intense pulsed light to lighten eye color

The present invention relates to a device for permanently changing the color of the iris, such as from brown to blue. The invention is a system that includes a slit lamp microscope, a source of intense pulsed light (ipl), optical tracking and measuring systems, and a device that prevents the application of light to the pupil.

Image forming apparatus

An image forming apparatus includes lasers to respectively emit lights having central wavelengths different from each other, an imager to output an image signal upon receiving light from a subject, a laser wavelength-specific image information acquirer to acquire, from the image signal output from the imager, pieces of laser wavelength-specific image information, and an image former to combine the pieces of laser wavelength-specific image information supplied from the laser wavelength-specific image information acquirer, so as to form an observation image in each mode included in the observation modes.. .
Olympus Corporation

System and controlling collocated multiple wavelength tuned lasers

Systems and methods are disclosed herein for controlling laser beams for a plurality of collocated laser assemblies. The laser beams are optimized by controlling outputs of a primary power source (current for generating a laser beam) and a secondary power source (heating device) for each of the respective laser assemblies.
Automotive Coalition For Traffic Safety, Inc.

Compact holographic illumination device

There is provided a colour sequential illumination device comprising in series: first and second light sources; a condenser lens; and a grating device. The grating device comprises at least one bragg grating.
Digilens, Inc.

Nxn parallel optical transceiver

An n×n parallel optical transceiver includes a printed circuit board, a laser driving control chip, one or more lasers, two grin lenses, an optical band-pass filter, a multimode fiber array and a photodiode array. In the transmitter, laser beams of the same wavelength simultaneously output from the laser chip are first focused by the first grin lens, then the beams pass through a wavelength band-pass filter and are refocused by the second grin lens, and enter the channels in the multimode fiber array.
Source Photonics (chengdu) Co., Ltd.

Method for producing a bird protection device and bird protection device

The invention relates to a method for producing a bird protection device arid to a bird protection device. According to the invention, a method for producing a bird protection device is proposed, wherein the bird protection device is made of an at least partially transparent material and contains an optical structure visible to a bird's eye.
HunsrÜecker Glasveredelung Wagener Gmbh & Co. Kg

Phase control for dual atom interferometers

A system for controlling a phase measurement in an atom interferometer comprising one or more lasers, a processor, and a memory. The one or more lasers are for providing interrogating beams.
Aosense, Inc.

Laser local dimming for projectors and other lighting devices including cinema, entertainment systems, and displays

Light from an array of laser light sources are spread to cover the modulating face of a dmd or other modulator. The spread may be performed, for example, by a varying curvature array of lenslets, each laser light directed at one of the lenslets.
Dolby Laboratories Licensing Corporation

Edge chamfering by mechanically processing laser cut glass

Processes of chamfering and/or beveling an edge of a glass substrate of arbitrary shape using lasers are described herein. Two general methods to produce chamfers on glass substrates are the first method involves cutting the edge with the desired chamfer shape utilizing an ultra-short pulse laser that is followed by mechanical polishing with a compliant polishing wheel..
Corning Incorporated

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, a pump laser situated to generate pump optical radiation, a fiber amplifier situated to receive the pump optical radiation and the seed optical pulses, and a controller situated to select a pump boost duration or pump boost magnitude based on an off duration associated with the laser system..
Nlight, Inc.

Apparatus

Provided is an apparatus for acquiring object information, the apparatus including: first and second laser output unit outputting first and second pulsed laser; a laser controlling unit configured to control each laser output unit; a first or second detecting unit configured to detect an emission timing of laser and output a first or second detection signal; a probe configured to receive an acoustic wave from an object being irradiated with the laser; and a signal processing unit configured to acquire specific information of the object, based on the acoustic wave. The laser controlling unit controls output of at least one of the laser output units so as to decrease a time difference between subsequent first and second pulsed lasers to be output..
Canon Kabushiki Kaisha

Edge chamfering methods

Processes of chamfering and/or beveling an edge of a glass substrate of arbitrary shape using lasers are described herein. Two general methods to produce chamfers on glass substrates are the first method involves cutting the edge with the desired chamfer shape utilizing an ultra-short pulse laser to create perforations within the glass; followed by an ion exchange..
Corning Incorporated

System and forming an image on a substrate

A scanning laser having a wavelength compatible with a coating binder so as to cure it as the laser scans and irradiates the coating on a moving web. A system and method for curing flakes by providing a scanning laser which scans across a moving coated substrate in a magnetic field allows images to be formed as magnetically aligned flakes are cured into a fixed position.
Viavi Solutions Inc.

Preformed lens systems and methods

Systems, methods, computer program products, and kits involving deformation mechanisms are provided for the removal of corneal tissue in optical vision treatments. According to exemplary embodiments, deformation mechanisms may be used in combination with the administration of femtosecond photoalteration lasers to create or define volumetric tissue portions for such removal..
Amo Development, Llc

Asymmetric optical waveguide grating resonators & dbr lasers

Monolithic asymmetric optical waveguide grating resonators including an asymmetric resonant grating are disposed in a waveguide. A first grating strength is provided along a first grating length, and a second grating strength, higher than the first grating strength, is provided along a second grating length.

Method and applications of thin-film membrane transfer

The disclosure relates to method and apparatus for micro-contact printing of micro-electromechanical systems (“mems”) in a solvent-free environment. The disclosed embodiments enable forming a composite membrane over a parylene layer and transferring the composite structure to a receiving structure to form one or more microcavities covered by the composite membrane.
Massachusetts Institute Of Technology

Monitoring and controlling temperature across a laser array in a transmitter optical subassembly (tosa) package

The temperature at different locations along a multiplexed laser array may be monitored by sensing temperature at two locations within a transmitter optical subassembly (tosa) package housing the laser array. The temperature at the two locations is used to determine a temperature tilt across the laser array.
Applied Optoelectronics, Inc.

Optical fiber for multimode and single-mode transmission

A multimode coupling fiber for optical data links features low coupling loss to silicon photonics lasers, vcsels, single mode transmission fibers, multimode transmission fibers, and high speed receivers. The coupling fiber includes a core, an optional inner cladding region, a depressed index cladding region, and an outer cladding region.
Corning Incorporated

Testing of an industrial structure

A method and a device for analyzing a structure by tomography and diffuse acousto-elastic field correlation are provided. An optical fiber comprising a plurality of measurement points of fbg (fiber bragg grating) type, comprising sensors of bragg grating type, is deployed in or on the structure to be analyzed.
Commissariat A L'energie Atomique Et Aux Energies Alternatives

Semiconductor nano/microlaser tuning by strain engineering

A method for tuning the lasing wavelength of a semiconductor nano/microlaser uses mechanical strain to change the bandgap of the semiconductor material and the lasing wavelength. The method enables broad, dynamic, and reversible spectral tuning of single nano/microlasers with subnanometer resolution..
Sandia Corporation

Inspection system using 193nm laser

Improved inspection systems utilize laser systems and associated techniques to generate an ultra-violet (uv) wavelength of approximately 193.368 nm from a fundamental vacuum wavelength near 1063.5 nm. Preferred embodiments separate out an unconsumed portion of an input wavelength to at least one stage and redirect that unconsumed portion for use in another stage.
Kla-tencor Corporation

High efficiency visible and ultraviolet nanowire emitters

Gan-based nanowire heterostructures have been intensively studied for applications in light emitting diodes (leds), lasers, solar cells and solar fuel devices. Surface charge properties play a dominant role on the device performance and have been addressed within the prior art by use of a relatively thick large bandgap algan shell covering the surfaces of axial ingan nanowire led heterostructures has been explored and shown substantial promise in reducing surface recombination leading to improved carrier injection efficiency and output power.

Locating light sources using aircraft

Provided are methods and systems for identifying location of light sources from airborne aircraft. Light sources are ground based and may be low power lasers and other like devices.
The Boeing Company

Interband cascade lasers with low-fill-factor top contact for reduced loss

A dfb laser having a reduced fill factor and reduced loss. A plurality of spaced-apart contact openings are etched into a dielectric layer situated on top of a laser ridge having a dfb grating layer so that electrical contact between the metal top contact layer and the dfb gratings is made only in the etched openings, since all other areas of the top surface of the dfb-grated laser ridge are insulated from the metal contact layer by the dielectric.
The Government Of The United States Of America, As Represented By The Secretary Of The Navy

Multiple endpoint optical transmitter

A multi-endpoint optical transmitter includes a first laser to couple to a first optical fiber, a second laser to couple to a second optical fiber, and a current-steered driver connected to the first and second lasers. The current-steered driver is to provide a first current representative of a bitstream to drive the first laser and to provide a second current representative of a complement of the bitstream to drive the second laser..
Alcatel-lucent Usa Inc.

Laser measuring system and method

The measuring system may include an input unit configured to receive an indication of a desired measurement and a reference point. The measuring system may include a laser unit including one or more lasers, and may be configured to emit laser light and detect laser data.
Magenium Solutions Llc

Instrument and optical particle sensing

Devices for detecting particle sizes and distributions using focused light scattering techniques, by passing a sample through a focused beam of light, are disclosed. In one embodiment, the devices include one or more lasers, whose light is focused into a narrow beam and into a flow cell, and dispersions are passed through the flow cell using hydrodynamic sample injection.
Invitrox, Inc.

Fused filament fabrication extruder

3d fused filament fabrication (fff) is improved by heating the deposition nozzle with one or more non-contact heat sources. 3d fff is also improved by cooling the deposition nozzle with one or more active cooling elements.

Scanning laser-based three dimensional (3d) display systems for viewers wearing 3d glasses

A display system for creating three dimensional (3d) imagery for a viewer wearing 3d glasses such as wavelength multiplex visualization (wmv) technology glasses with a first lens passing colored light in a first range of wavelengths and with a second lens passing colored light in a second range of wavelengths. The system includes a first wmv light source outputting a first light stream onto a display surface, with the first light stream having a wavelength in the first wavelength range.
Disney Enterprises, Inc.

High-bandwidth underwater data communication system

An apparatus is described which uses directly modulated ingan light-emitting diodes (leds) or ingan lasers as the transmitters for an underwater data-communication device. The receiver uses automatic gain control to facilitate performance of the apparatus over a wide-range of distances and water turbidities..
Fairfield Industries Incorporated

Monolithic tunable terahertz radiation source using nonlinear frequency mixing in quantum cascade lasers

A terahertz difference-frequency generation quantum cascade laser source that provides monolithic, electrically-controlled tunable terahertz emission. The quantum cascade laser includes a substrate, a lower cladding layer positioned above the substrate and an active region layer with optical nonlinearity positioned on the lower cladding layer.
Board Of Regents, The University Of Texas System

Divided pulse layers

Methods, systems, and devices are disclosed for divided-pulse lasers. In one aspect, a pulsed laser is provided to include a laser cavity including an optical amplifier and a plurality of optical dividing elements and configured to direct a laser pulse of linearly polarized light into the plurality of optical dividing elements to divide the light of the laser pulse into a sequence of divided pulses each having a pulse energy being a portion of the energy of the laser pulse before entry of the optical dividing elements, to subsequently direct the divided pulses into the optical amplifier to produce amplified divided pulses.
Cornell University

Mode-locked multi-mode fiber laser pulse source

A laser utilizes a cavity design which allows the stable generation of high peak power pulses from mode-locked multi-mode fiber lasers, greatly extending the peak power limits of conventional mode-locked single-mode fiber lasers. Mode-locking may be induced by insertion of a saturable absorber into the cavity and by inserting one or more mode-filters to ensure the oscillation of the fundamental mode in the multi-mode fiber.
Imra America, Inc.



Lasers topics:
  • Semiconductor
  • Photosensitive Drum
  • Device Control
  • Incident Light
  • Lens Array
  • Electrical Signal
  • Laser Array
  • Raman Amplifier
  • Amplification
  • Internal Combustion Engine
  • Enhancement
  • Processing Device
  • Processing Devices
  • Fiber Optic Cable
  • Fiber Optic


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    This listing is a sample listing of patent applications related to Lasers for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Lasers with additional patents listed. Browse our RSS directory or Search for other possible listings.


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