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US20060039439 Total internal reflecting laser pump cavity  
A laser device in accordance with the present invention includes a diode pump for generating pump light and a pump cavity for receiving the pump light for conversion into an output laser beam. The...
US20080080584 SOLID-STATE LASER GAIN MODULE  
A laser gain module comprises a spoiled hexagonal shaped slab for receiving a laser beam. The laser beam enters the slab on one face and is reflected internally at one or more faces. The laser...
US20100303122 CAVITY DYNAMICS COMPENSATION IN RESONANT OPTICAL MODULATORS  
Disclosed are resonant optical modulators, and methods of use thereof, that achieve constant photon populations in the resonator by simultaneously modulating at least two variable modulation...
US20070053403 Laser cavity pumping configuration  
A laser cavity includes at least a first mirror and a second mirror, at least one gain medium located on an optical path between said mirrors, and an optical waveguide for providing pump light. A...
US20120189026 TUNABLE RESONATORS  
Various embodiments of the present invention relate to electronically tunable ring resonators. In one embodiment of the present invention, a resonator structure (300,1200) includes an inner...
US20050111498 Mode behavior of single-mode semiconductor lasers  
Mode behavior of single longitudinal mode semiconductor lasers are modeled and employed for configuring external cavity lasers, including external cavity diode lasers (ECDLs). In particular,...
US20070002922 Retro-reflecting lens for external cavity optics  
An improved external cavity laser apparatus is disclosed whereby instead of a collimated beam being aligned with a flat mirror, the collimated beam is directed at a retro-reflecting lens. The...
US20100054297 OPTICAL ELEMENT FOR GAS LASER AND GAS LASER APPARATUS USING THE SAME  
At least either of the light entering plane or the light exiting plane is parallel to the (111) crystal face of the CaF2 crystal and the laser beam entering from the entering plane passes through...
US20100061416 GALLERY-MODE MICRODISC SYSTEM FOR ELECTRICALLY PUMPED OPTICAL SOURCES  
The invention concerns a gallery mode microdisc system for an electrically pumped optical source, the microdisc (1) being formed on one face of a substrate (2), the lower part of the microdisc...
US20090316746 SLAB TYPE LASER APPARATUS  
A slab type laser apparatus has a slab type gas laser medium part formed in a region defined by a pair of electrode flat plates oppositely disposed in parallel with each other in a space to be...
US20070014326 Line narrowed laser apparatus  
The control of the spectral purity width E95 is performed while imparting practically no effect to the control of a central wavelength, and the spectral purity width E95 is stabilized. A wavefront...
US20090232172 LASER FREQUENCY STABILIZING DEVICE, METHOD AND PROGRAM  
A laser frequency stabilizing device comprises a laser light producer operative to produce and emit a laser light containing a first and a second longitudinal mode light having different...
US20080192259 Volume hologram, light source device, illumination device, monitor, and image display device  
A volume hologram includes: an incidence surface onto which coherent light having a plurality of wavelengths is incident; and a plurality of interference fringes having streaks so that the angles...
US20060153265 Multimode solid laser pumped longitudinally by diodes  
Disclosed is a diode-pumped solid-state laser having at least one intracavity positioned laser crystal having at least one optical axis longitudinally to which at least one pumped-light beam...
US20140233599 NANOLASER GENERATOR USING GRAPHENE ELECTRODE AND METHOD FOR MANUFACTURING THE SAME  
The present disclosure relates to a nanolaser generator using a transparent graphene electrode, a method for manufacturing the same, and a single nanopillar LED using the same. The nanolaser...
US20050175059 Feedback stabilized multimode and method of stabilizing a multimode laser  
A laser assembly (10) comprises a multimode laser (12) having at least one output and operating at a given wavelength. It also includes a double-clad optical fiber (20) having a free end (22)...
US20060002443 Multimode external cavity semiconductor lasers  
External cavity laser devices provide multimode laser operation by using a wavelength selective element that produces a spectral width profile able to support multiple longitudinal laser modes....
US20070230534 Grating enhanced solid-state laser amplifiers  
A novel method and apparatus for suppressing ASE and parasitic oscillation modes in a high average power laser is introduced. Such an invention, as disclosed herein, uses diffraction gratings to...
US20050243889 Digital alloy oxidation layers  
A current confinement layer of a VCSEL includes a digital alloy including a stack of alternating layers of materials that oxidize at different rates, the combination of which oxidizes faster than...
US20090180511 Waveguide Retroreflector And Method Of Fabricating The Same  
A waveguide retroreflector consists of an end cap with curved output surface attached to a waveguide such as optical fiber. The radius of curvature of the output surface of the end cap matches the...
US20070201530 OPTICAL ACTIVE DEVICE AND OPTICAL MODULE USING THE SAME  
Provided are an optical active device and optical module using the same The optical active device includes first face through which light received emitted, second face facing the first face third...
US20120082175 LARGE DIAMETER OPTICAL WAVEGUIDE, GRATING AND LASER  
A large diameter optical waveguide, grating, and laser includes a waveguide having at least one core surrounded by a cladding, the core propagating light in substantially a few transverse spatial...
US20060072634 Calibration methods for tunable lasers  
Methods for calibrating tunable lasers. Various operational characteristics of a tunable laser, such as an external cavity diode laser (ECDL), are modeled using corresponding modeling equations....
US20060104319 Device for reflecting and detecting electromagnetic radiation  
A device for simultaneously detecting and reflecting electromagnetic radiation consisting of a thin layer of insulating pyro-electric and/or piezoelectric material sandwiched between two...
US20070230532 Display laser light source  
A display light source (230) includes a gain media (232), an output reflector (246), and a wavelength converter (244) that cooperate to generate a source output beam (260). The gain media (232)...
US20050220164 Laser oscillator  
A laser oscillator that can suppress astigmatism and achieve an axially symmetric laser beam output profile even when a spherical mirror is inserted between an output mirror and a rear mirror....
US20070280324 Laser apparatus for generating high energy pulses of short duration, and process for generating said laser pulse  
The laser apparatus for generating high energy pulses of short duration comprises a pumping laser source and a miniaturized cavity defined by a pair of mirrors in which an active crystal and an...
US20060045151 External cavity wavelength stabilized Raman lasers insensitive to temperature and/or external mechanical stresses, and Raman analyzer utilizing the same  
An external cavity wavelength stabilized laser system including a platform, a laser mounted to the platform with a laser mount, a diffractor mounted to the platform with a diffractor mount, and a...
US20110292399 Discrete Spectrum Broadband Optical Source  
A new broadband source having a discrete set of spectral emission lines having high peak power in each line is provided by placing a gain medium in a reflective cavity comprising reflective front...
US20070280326 External cavity laser in thin SOI with monolithic electronics  
An ECL laser structure utilizes an SOI-based grating structure coupled to the external gain medium to provide lasing activity. In contrast to conventional Bragg grating structures, the grating...
US20110096802 HIGH POWER RADIATION SOURCE WITH ACTIVE-MEDIA HOUSING  
A high power source of electro-magnetic radiation having a multi-purpose housing is disclosed. The multi-purpose housing includes an interior filled with a material forming at least a light source...
US20050169325 Laser cavity with variable dispersion element  
The invention relates to a method of tuning a laser, comprising the steps of: providing a laser beam (4) in an external cavity (2) having a dispersion element (10) for selecting at least one mode...
US20060088069 Uncooled, low profile, external cavity wavelength stabilized laser, and portable Raman analyzer utilizing the same  
The current invention relates to several different ways to realize “uncooled lasers” (i.e., a laser source without a temperature stabilization element, such as a thermal electric cooler) which...
US20140029085 Resonant Optical Transducers for In-Situ Gas Detection  
Configurations for in-situ gas detection are provided, and include miniaturized photonic devices, low-optical-loss, guided-wave structures and state-selective adsorption coatings. High quality...
US20080075136 System and method for the improvement of optical transmission efficiency in laser systems  
Embodiments of the present invention provide a system and method for improving the optical transmission efficiency of laser systems and increasing the lifetime of laser system components. An...
US20100091804 PHASE CONTROL BY ACTIVE THERMAL ADJUSTMENTS IN AN EXTERNAL CAVITY LASER  
The present invention relates to a wavelength tuneable external-cavity laser module, the laser being tuneable across a predetermined wavelength range and comprising: a thermally stabilised...
US20100303121 ACHIEVING LOW PHASE NOISE IN EXTERNAL CAVITY LASER IMPLEMENTED USING PLANAR LIGHTWAVE CIRCUIT TECHNOLOGY  
The present invention relates to external cavity laser (ECL) apparatuses and manufacturing processes, and more particularly to implementing low noise narrow bandwidth ECLs on planar lightwave...
US20050152428 External-cavity laser tuned by physically-deformable distributed Bragg reflector  
The external cavity laser includes a resonant cavity defined at one end by a Bragg reflector and a gain medium located in the optical cavity. Coupled to the Bragg reflector is an actuator that...
US20090323737 System and devices for improving external cavity diode lasers using wavelength and mode sensors and compact optical paths  
External cavity laser (ECL) systems and methods for measuring the wavelength of the ECL by using a portion of the positional light received by the position sensitive detector (PSD) to determine...
US20070153868 Semiconductor laser  
A semiconductor laser having an optical volume of between about 0.1×λ3 to about 30×λ3, where λ is the wavelength of light emitted by the semiconductor laser. The semiconductor laser comprises an...
US20050163172 High-power laser diode arrangement with external resonator  
In a laser diode arrangement for generating single mode laser radiation including a broad area laser diode having a rear facet and a front facet and forming a first resonator and an external...
US20100020841 LASER LIGHT SOURCE  
The invention relates to a laser light source for generating narrow-band laser radiation with high coherence, comprising a laser diode (1), which forms an internal resonator (4), and an external...
US20050123008 Multiple input/output ECDL cavity length and filter temperature control  
A servo or control technique and apparatus for an external cavity diode laser (ECDL) are described. Coarse tuning adjustments for the ECDL may be performed by varying the temperature of tunable...
US20120039351 RESONATOR WITH INTRACAVITY TRANSFORMATION OF A GAUSSIAN INTO A TOP-HAT BEAM  
The invention relates to an optical resonator, laser apparatus and a method of generating a laser beam inside an optical resonator. The optical resonator (10) includes an optical cavity (12) and...
US20100103414 MICROPHASE-SEPARATED STRUCTURE, IMMOBILIZED MICROPHASE-SEPARATED STRUCTURE AND WAVELENGTH-VARIABLE LASER OSCILLATOR, TEMPERATURE SENSOR AND LIGHT FILTER USING THE STRUCTURE  
[Project] To provide a microphase-separated structure which comprises a vast and visible structure showing a structural color with the use of the phase separation due to the self-assembly of a...
US20060039440 Exciting laser resonators with RF energy  
A laser includes an RF generator, a laser resonator and a cable connection provided between the RF generator and the laser resonator. The output impedance respective output and input impedances of...
US20050220163 External resonator and semiconductor laser module using the same  
An external resonator is provided with a fiber having a fiber Bragg grating for reflecting light of a specific wavelength and a ferrule which holds the above described fiber inside thereof. At...
US20050111512 Apparatus for generating and transmitting laser light  
The invention relates to an apparatus (1) for generating and transmitting laser light beams (14), comprising a semiconductor layer structure (2), two light conducting fiber elements (10, 16)...
US20050202598 Process for producing optical semiconductor device  
The invention provides a process for producing an optical semiconductor device, which comprises: (1) forming a resin layer on one or more optical semiconductor elements each mounted on a...
US20120044967 Capping Method For Laser Diode Protection  
A method includes: positioning a laser in the cavity in an end of a slider, wherein the laser has an output facet positioned adjacent to a first wall of the cavity to define a first gap between...

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