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Lasers

Lasers-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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NEW Satellite system that produces optical inter-satellite link (isl) beam based on rf feeder uplink beam
Space Systems/loral, Llc
January 18, 2018 - N°20180019809

Described herein is a space based subsystem of a satellite, and methods for use therewith, for receiving an rf uplink feeder beam and in dependence thereon producing one or more optical isl beams for transmission to one or more other satellites. The subsystem can include an antenna to receive an rf feeder uplink beam and produce an rf signal therefrom. ...
NEW Laser beam combination apparatus
Bwt Beijing Ltd.
January 18, 2018 - N°20180019576

A laser beam combination apparatus includes: a lasers array, an optical turning element, a transformation lens, a dispersion element and an external cavity mirror. The lasers array comprises m rows of lasers, and each row of the lasers comprises n lasers; m×n laser beams output by the lasers array, after passing through the optical turning element, parallel exit, ...
NEW Optofluidic lasers with surface gain and methods of making and using the same
Board Of Regents, The University Of Texas System
January 18, 2018 - N°20180015456

In one aspect, optofluidic lasers are described herein. In some embodiments, an optofluidic laser described herein comprises a first liquid having a first refractive index, a second liquid having a second refractive index that is different than the first refractive index, and a liquid-liquid interface defined by the first and second liquids and disposed between the first and second liquids. ...
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Lasers Patent Applications
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  • 184+ full patent PDF documents of Lasers-related inventions.
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Methods of making highly stable perovskite- polymer composites and structures using same
University Of Central Florida Research Foundation, Inc.
January 11, 2018 - N°20180010039

Methods of making luminescent perovskite-polymer composites are provided and structures using the same. Perovskite-polymer composites made by the method described herein are provided. The perovskite-polymer composite is useful in many applications including downconverters for backlight units (blu) of liquid crystal displays (lcds), as well as for and could be used for light emitting devices, lasers or as active absorber or ...
Failsafe pulsed laser driver
Intel Corporation
January 04, 2018 - N°20180006431

A failsafe pulsed laser driver and method for using the same are disclosed. In one embodiment, an apparatus comprises a laser array having a plurality of lasers; and a laser driver coupled to the laser array, wherein the laser driver comprises a current limiter to provide a maximum current at or below a threshold current of lasers in the laser ...
Transient wavelength drift reduction in semiconductor lasers
Alcatel Lucent
January 04, 2018 - N°20180006428

This application relates to a laser assembly displaying self-heating mitigation. The laser assembly comprises a semiconductor laser and a drive unit for driving the semiconductor laser. The semiconductor laser includes a first semiconductor region for generating or modulating an optical signal in response to a first drive current that is applied to the first semiconductor region, and a heating region ...
Lasers Patent Pack
Download 184+ patent application PDFs
Lasers Patent Applications
Download 184+ Lasers-related PDFs
For professional research & prior art discovery
inventor
  • 184+ full patent PDF documents of Lasers-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Quantum cascade laser with current blocking layers
Alpes Lasers Sa
December 28, 2017 - N°20170373473

Semiconductor quantum cascade lasers (qcls), in particular mid-ir lasers emitting at wavelengths of about 3-50 μm, are often designed as deep etched buried heterostructure qcls. The buried heterostructure configuration is favored since the high thermal conductivity of the burying layers, usually of inp, and the low losses guarantee devices high power and high performance. However, if such qcls ...
Weakly index-guided interband cascade lasers with no grown top cladding layer or a thin top ...
The Government Of The United States Of America, As Represented By The Secretary Of The Navy
December 28, 2017 - N°20170373472

Novel icl layering designs, ridge waveguide architectures, and processing protocols that will significantly lower the optical losses and improve the power conversion efficiencies of interband cascade lasers designed for both dfb single-mode and high-power applications. The semiconductor top cladding and metal contact layers are eliminated or significantly reduced. By instead using a dielectric or air top clad, or dielectric or ...
Waveguide for diode-pumped alkali lasers
Lawrence Livermore National Security, Llc
December 28, 2017 - N°20170373457

An improved architecture for optical waveguides as used in a diode-pumped alkali laser system is provided by using micro-channel-etched silicon or other metal in place of the more usual sapphire.
Metal contacts to group iv semiconductors by inserting interfacial atomic monolayers
Acorn Technologies, Inc.
December 28, 2017 - N°20170373164

Techniques for reducing the specific contact resistance of metal-semiconductor (group iv) junctions by interposing a monolayer of group v or group iii atoms at the interface between the metal and the semiconductor, or interposing a bi-layer made of one monolayer of each, or interposing multiple such bi-layers. The resulting low specific resistance metal-group iv semiconductor junctions find application as a ...
Discrete laser fiber inputs for image projectors
Dolby Laboratories Licensing Corporation
December 28, 2017 - N°20170371167

Discrete light fiber inputs for high powered image projector display systems are disclosed herein. Various embodiments disclosed herein may employ a bundle of light fiber inputs, a diffuser and reducing relay optic to convert the fiber input array into a smaller pattern of spots that may be interfaced to a projector display system that may perform light recycling. Many embodiments ...
Top-emission vcsel-array with integrated diffuser
Apple Inc.
December 28, 2017 - N°20170370554

A radiation source includes a semiconductor substrate, an array of vertical-cavity surface-emitting lasers (vcsels) formed on the substrate, which are configured to emit optical radiation, and a transparent crystalline layer formed over the array of vcsels. The transparent crystalline layer has an outer surface configured to diffuse the radiation emitted by the vcsels.
Short-wave infrared super-continuum lasers for early detection of dental caries
Omni Medsci, Inc.
December 28, 2017 - N°20170367585

A wearable device for use with a smart phone or tablet includes leds for measuring physiological parameters by modulating the leds and generating a near-infrared multi-wavelength optical beam. At least one led emits at a first wavelength having a first penetration depth and at least another led emits at a second wavelength having a second penetration depth into tissue. The ...
Lasers Patent Pack
Download 184+ patent application PDFs
Lasers Patent Applications
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For professional research & prior art discovery
inventor
  • 184+ full patent PDF documents of Lasers-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Cell analysis apparatus using plurality of lasers
The Catholic University Of Korea Industry-academic Cooperation Foundation
December 21, 2017 - N°20170363532

Provided is a light scattering cell classification technology which can classify cells into various types and at the same time classify cells with very high accuracy despite the rotation of the cells. A cell analysis apparatus using a plurality of lasers, according to an embodiment of the present invention, comprises: a plurality of laser generators which are installed around a ...
Deposition apparatus and deposition method
National Cheng Kung University
December 21, 2017 - N°20170361404

A deposition apparatus and a deposition method are described. The deposition apparatus includes an accommodating element, a plurality of lasers and a carrier. The accommodating element is configured to accommodate a material. The lasers are disposed at a periphery of the accommodating element, and are configured to simultaneously emit a plurality of laser beams toward the material to melt the ...
Perovskite nanocrystalline particles and optoelectronic device using same
Postech Academy-industry Foundation
December 14, 2017 - N°20170358757

Provided are perovskite nanocrystalline particle and an optoelectronic device using the same. The perovskite nanocrystalline particle may include a perovskite nanocrystalline structure while being dispersible in an organic solvent. Accordingly, the perovskite nanocrystalline particle in accordance with the present invention has therein a perovskite nanocrystal having a crystalline structure in which fcc and bcc are combined; forms a lamellar structure ...
Laser beam control and delivery system
Xintec Corporation Aba Convergent Laser Technolgies
December 14, 2017 - N°20170354465

The present invention relates generally to surgical lasers and more specifically to a laser beam control and delivery system that accurately and efficiently directs a laser beam into an optical fiber. The laser beam control and delivery system also provides additional functions, including a connection for a fiber tip temperature control system and a tissue temperature sensing system. The present ...
Multi-wavelength array lidar
Gm Global Technology Operations Llc
December 07, 2017 - N°20170350982

A multi-wavelength array lidar system and a method of designing an array lidar system include arranging a plurality of lasers in an array to transmit a respective plurality of beams, arranging a lens to disperse the plurality of beams at a respective plurality of angles, and arranging a band pass filter to filter a plurality of reflections received at a ...
Multichannel excitation and emission for miniaturized, planar fluorescence activated cell sorting
Verily Life Sciences Llc
December 07, 2017 - N°20170350806

A system for fluorescence activated cell sorting includes at least two excitation lasers having different orientations relative to an objective such that light from the at least two lasers passes through the objective and intersects a fluidic channel at different positions within an interrogation region. The fluidic channel directs a flow of a plurality of fluorescently labeled particles through the ...
Temporal multiplexed excitation for miniaturized, planar fluorescence activated cell sorting
Verily Life Sciences Llc
December 07, 2017 - N°20170348735

A system for fluorescence activated cell sorting includes at least two excitation lasers and an objective that directs light from the at least two excitation lasers to a common point in an interrogation region of a fluidic channel. The fluidic channel directs a flow of a plurality of fluorescently labeled particles through the interrogation region. At least one modulator temporally ...
Single mode propagation in fibers and rods with large leakage channels
Imra America, Inc.
November 30, 2017 - N°20170343730

Various embodiments include large cores fibers that can propagate few modes or a single mode while introducing loss to higher order modes. Some of these fibers are holey fibers that comprise cladding features such as air-holes. Additional embodiments described herein include holey rods. The rods and fibers may be used in many optical systems including optical amplification systems, lasers, short ...
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