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8937982 Surface-emitting laser element, surface-emitting laser array, optical scanning apparatus, image forming apparatus, and method of manufacturing surface-emitting laser element  
A method of manufacturing a surface-emitting laser element having a light-emitting mesa structure with an emitting area including a high-reflectance portion and a low-reflectance portion includes...
8937979 Gas laser oscillator having function to determine initiation of electric discharge  
A gas laser oscillator includes a control apparatus which creates a command voltage, a laser power supply which supplies power to a discharge tube in accordance with the command voltage, and a...
8937977 Laser antireflection device and laser apparatus comprising same  
A laser anti-reflection device includes a polarizing beam splitter, a λ/4 wave plate and an absorber disposed in an outgoing light path of a laser emitting linearly polarized light with a...
8937980 Distributed feedback-laser diodes  
Distributed feedback-laser diodes are provided. The distributed feedback-laser diode may include a substrate, a lower cladding layer having a grating on the substrate, an active layer disposed on...
8934508 Optical fiber-type optical element, laser diode module, and fiber laser  
There are provided: a core section provided so as to extend in a light-guiding direction in which incident light propagates; a photosensitive layer provided so as to extend in the light-guiding...
8934511 Laser interlock system  
A method and device for providing a laser interlock having a first optical source, a first beam splitter, a second optical source, a detector, an interlock control system, and a means for...
8934158 Image reading apparatus, image forming apparatus, and method of image reading using wavelength distribution control unit to produce plural durations each having different peak wavelength in each main scanning  
An image reading apparatus includes a light-emitting device having a peak wavelength that varies depending on a value of a drive current, and illuminates a document with illumination light from...
8934509 Q-switched oscillator seed-source for MOPA laser illuminator method and apparatus  
An apparatus, method and system that uses a Q-switched laser or a Q-seed source for a seed pulse signal having a controlled high-dynamic-range amplitude that avoids and/or compensates for pulse...
8934510 Wavelength converter, wavelength converting device, solid state laser device, and laser system  
A wavelength converter may include a non-linear optical crystal, and an optical member bonded to a region of a contact surface of the non-linear optical crystal, located a predetermined distance...
8934324 Light source and recording apparatus  
There is provided a light source including a mode-lock laser unit that includes a semiconductor laser and an external resonator unit and emits a laser beam having a predetermined frequency, the...
8934512 Edge-emitting etched-facet lasers  
A laser chip having a substrate, an epitaxial structure on the substrate, the epitaxial structure including an active region and the active region generating light, a waveguide formed in the...
8934513 Semiconductor light emitting device and manufacturing method therefor  
A semiconductor light emitting device of double hetero junction includes an active layer and clad layers. The clad layers include an n-type layer and p-type layer. The clad layers sandwich the...
8934514 Laser  
A vertical cavity surface emitting laser (VCSEL) configured to operate in a gain switching regime includes a cavity that is terminated by reflectors at both ends for enabling a standing wave of...
8934507 Wavelength-tunable light source  
In at least one embodiment, a wavelength-tunable light source includes at least one fiber-based partial section and at least one delay section. For a wavelength λ of at least one portion of a...
8929419 Excimer laser with gas purification  
An excimer laser system in which the expensive noble gases are reclaimed, while the halogen gas is sacrificed, and the impurities developed during operation of the excimer laser are removed. In...
8929416 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device  
A III-nitride semiconductor laser device including: a laser structure including a support base and a semiconductor region, the support base including a hexagonal III-nitride semiconductor and...
8929410 Ultraviolet laser device  
An ultraviolet laser device comprises a laser beam output unit that outputs infra-red laser beams, and a wavelength conversion unit that wavelength converts the infra-red laser beams. The laser...
8929406 193NM laser and inspection system  
A laser for generating an output wavelength of approximately 193.4 nm includes a fundamental laser, an optical parametric generator, a fourth harmonic generator, and a frequency mixing module. The...
8926601 Laser plasma modulator system for endoscopy and endocavitary surgery  
An improved system for safe and efficient generation of plasmas and vapors bubbles with continuous wave radiations and low levels of power densities, sufficient to treat medical pathologies and to...
8929408 Multi comb generation with a mode locked laser cavity  
Apparatus, systems, and methods of generating multi combs can be used in a variety of applications. In various embodiments, an etalon can be disposed in the laser cavity of a mode-locked laser to...
8929409 External cavity tunable laser with an air gap etalon comprising wedges  
A tunable narrow linewidth laser is provided, wherein an adjustable etalon structure is employed to simultaneously tune the wavelength of the laser transmission and the length of the laser cavity....
8929407 VCSEL pumped fiber optic gain systems  
Optical pump modules comprising VCSEL and VCSEL array devices provide high optical power for configuring fiber optic gain systems such as fiber laser and fiber amplifier particularly suited for...
8929413 Laser gain module and method for producing such a module  
According to one embodiment, the invention relates to a laser gain module (1) comprising: a laser rod (5) having a shaft and two optical interfaces (7, 9) facing each other, the rod (5) being used...
8927382 Photo-semiconductor device and method of manufacturing the same  
A method of manufacturing a photo-semiconductor device that has a photoconductive semiconductor film provided with electrodes and formed on a second substrate, the semiconductor film being formed...
8928971 High-power optical fibre laser  
A high-power optical fiber laser includes: an oscillator (1); a pumping laser (5) able to emit a high-power pumping optical radiation beam; and a signal-amplifying optical fiber (3) able to...
8929417 Semiconductor interband lasers and method of forming  
A semiconductor interband laser that includes a first cladding layer formed using a first high-doped semiconductor material having a first refractive index/permittivity and a second cladding layer...
8929414 Gas laser oscillator with discharge start judgment function  
A gas laser oscillator, including a power supply part supplying a discharge tube voltage corresponding to a power output command to a discharge tube so as to start a discharge in the discharge...
8929412 Optical scanning device and image forming apparatus  
An optical scanning device includes a vertical-cavity surface-emitting laser light source that emits laser beams perpendicular to a top surface thereof; a first optical system that couples the...
8929411 Quantum dot detection  
An apparatus comprises a laser system and a light sensor system. The laser system is associated with a housing and configured to generate a first laser beam and direct the first laser beam toward...
8929418 Semiconductor laser  
A semiconductor laser is provided with one or more rear ports and one front port and with a multi-mode interference optical waveguide that has an active layer (light emitting layer) in all regions...
8929415 Photonic crystal cavities and related devices and methods  
Photonic crystal cavities and related devices and methods are described. The described cavities can be used as lasers, photovoltaic sources, and single photon sources. The cavities can be both...
8926100 Illumination device having improved illumination light symmetricalness and projector having the illumination device  
An illumination device includes a light source including plural light emitting devices arranged in a pattern and that generate and guide light, the light emitting devices having tilted gain...
8922881 Fiber amplifier system including tapered fiber bundle and polarization control  
A fiber laser amplifier system including a beam splitter that splits a feedback beam into a plurality of fiber beams where a separate fiber beam is sent to a fiber amplifier for amplifying the...
8923354 Nitride semiconductor laser, epitaxial substrate  
A nitride semiconductor laser comprises a conductive support base having a primary surface of gallium nitride based semiconductor, an active layer on the primary surface, and a p-type cladding...
8921138 Method of manufacturing multi-wavelengths distributed feedback (DFB) laser array including top separate confinement layer having different thickness laser units on the quantum-well layer grown by selective area epitaxial growth  
A method for manufacturing a distributed feedback laser array includes: forming a bottom separate confinement layer on a substrate; forming a quantum-well layer on the bottom separate confinement...
8923349 Fourier domain mode locking: method and apparatus for control and improved performance  
A control system for improving and stabilizing Fourier domain mode locking (FDML) operation. The control system may also provide regulation of FDML operational parameters such as filter tuning,...
8923356 Gas laser pre-ionization optical monitoring and compensation  
A slab laser includes first and second slabs defining an ionizing chamber intermediate the first slab and the second slab. A Radio Frequency Power Amplifier (RFPA) generates pulses to the ionizing...
8923359 Long cavity laser sensor for large FOV auto-tracking  
The presently disclosed technique presents laser-based method and apparatus for use in remote sensing. In general, objects within a field of view are lased by a long cavity laser apparatus....
8923358 Two-dimensional photonic crystal surface emitting laser light source  
A two-dimensional photonic crystal surface emitting laser light source includes a two-dimensional photonic crystal made of a plate-shaped body material provided with a periodic arrangement of...
8923348 Small packaged tunable laser assembly  
A tunable laser configured in a small package coupled to a printed circuit board. The tunable laser includes a housing with a volume formed by exterior walls. An electrical input interface is...
8923350 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Flexible and stable supercontinuum source
 
Optical pulse source comprising optical pump laser for generating optical pump pulses at repetition rate Rf; a nonlinear optical element comprising an optical fiber for generating supercontinuum...
8923355 Semiconductor laser device and manufacturing method thereof  
A semiconductor laser device includes an n-type clad layer, a first p-type clad layer and a ridge stripe. The device also includes an active layer interposed between the n-type clad layer and the...
8921283 Method for generating microscopic patterns of protein and other macromolecules  
Methods and apparatuses for generating microscopic patterns of macromolecules such as proteins on a solid surface are described. Pulsed laser light is used to alter surface portions of a solid...
8923352 Laser with transmission and reflection mode feedback control  
One embodiment is directed towards a stabilized laser including a laser to produce light at a frequency and a resonator coupled to the laser such that the light from the laser circulates...
8923357 Semiconductor laser with cathode metal layer disposed in trench region  
A laser diode includes a substrate and a junction layer disposed on the substrate. The junction layer forms a quantum well of the laser diode. The laser diode includes a junction surface having at...
8923353 Laser driver modulation and bias control scheme  
Systems and methods are provided for generating an accurate, stable measurement for a laser bias current. The average current and the extinction ratio are controlled using a dual control loop. The...
8923351 Device for producing high frequencies by means of light frequency beating  
In the field of the production of very high frequencies, for example from 1 gigahertz to several terahertz, by beating the frequencies of two laser beams together, a device includes a resonant...
8917748 Amplitude and phase modulation of a laser by modulation of an output coupler  
There is provided an output coupler modulated laser. The laser includes an optical resonator for light to circulate within, a gain medium housed within the optical resonator and a pump. An output...
8917750 III-nitride semiconductor laser diode  
Provided is a III-nitride semiconductor laser diode which is capable of lasing at a low threshold. A support base has a semipolar or nonpolar primary surface. The c-axis Cx of a III-nitride is...
8917462 Optical transmission module and its temperature adjustment method  
An optical transmission module includes a light source element for emitting a predetermined light signal transmitted through an optical fiber, the light source element having lower characteristics...