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US20070053394 Cooling device using direct deposition of diode heat pump  
A diode heat pump is disclosed which may be deposited directly onto a processor unit using thin-film deposition techniques to achieve more efficient cooling. The diode heat pump is either formed...
US20100002235 LASER DIODE ARRANGEMENTS AND METHOD FOR GAS DETECTION  
A gas detection laser diode device and gas detection unit including the gas detection laser diode device having a hermetically sealed housing with electrical connectors at the bottom and a window,...
US20100008389 Inverted composite slab sandwich laser gain medium  
The present invention pertains to a composite slab laser gain medium with an undoped core and at least one doped gain medium section disposed on at least one side of that core. The gain medium is...
US20060209918 High power thin disk lasers  
A device including an active mirror made of thin disk active medium having a pump surface and a mirror surface, means for cooling that contacts with the mirror surface of the active medium...
US20140023100 METAL VAPOR CIRCULATING SYSTEM  
A system for circulating an alkali vapor to operate as, for example, a gain medium in a diode pumped alkali laser. The system includes a pump configured to pump a buffer gas to a metal source. A...
US20090052482 COOLING AN ACTIVE MEDIUM USING RAMAN SCATTERING  
A method is described for setting up a system comprising an active medium. The method comprises thermally controlling the system comprising an active medium by radiative cooling. The radiative...
US20090022190 Heat capacity laser and associated lasing medium  
A heat capacity laser having a solid lasing medium, at least one pumping source that is able to emit a pumping radiation, and an optical cavity that can be characterized by having: at least one...
US20050286578 Optical transmitter and method for transmitting optical signal  
There are provided an optical transmitter and a method for transmitting an optical signal, which realizes an optimum desired temperature arrival time without changing a Peltier element size, a...
US20060187980 Thin laser module  
A thin laser module comprises a casing having a light emitting window on one side; a circuit board installed in the casing for containing components; a laser chip installed on the circuit board...
US20070253458 Diode pumping of a laser gain medium  
An integrated, low profile, high power laser light emission device is disclosed. The integrated laser light emission device provides uniform heat dissipation, as well as uniform pumping of the...
US20050074040 Diamond cooled laser gain assembly  
An optical system includes a laser oscillator or a laser amplifier. The optical system includes a gain medium that is optically coupled to a pump source. A solid cooling element is in physical...
US20140072005 OPTICAL MODULE WITH ENHANCED ROBUSTNESS OF TEMPERATURE CONTROLLING DEVICE  
An optical assembly (OSA) that installs a semiconductor optical device mounted on a thermo-electric controller (TEC) is disclosed. The TEC in the upper plate thereof is mechanically connected to...
US20110142086 OPTICAL MODULE WITH ENHANCED ROBUSTNESS OF TEMPERATURE CONTROLLING DEVICE  
An optical assembly (OSA) that installs a semiconductor optical device mounted on a thermo-electric controller (TEC) is disclosed. The TEC in the upper plate thereof is mechanically connected to...
US20100080000 LASER DIODE DEVICE AND DISPLAY APPARATUS  
A laser diode device includes a red laser diode element, a green laser diode element and a blue laser diode element. The red, green and blue laser diode elements are arranged in a single package...
US20050030988 Vortex laser chiller and thermal control system  
A coolant loop for an imaging engine light source avoids the necessity for a chiller or an expensive thermo-electric cooler. Instead, it uses a standard heat exchanger and a pneumatically-operated...
US20100014547 Device For Longitudinal Pumping Of A Laser Medium  
The invention concerns a device for longitudinal pumping of an amplifying laser medium comprising at least one laser diode capable of emitting at least one laser beam, means for focusing said...
US20140146838 Resonant Cavity Conditioning For Improved Nonlinear Crystal Performance  
Systems and methods to improve the performance of nonlinear crystals in a resonant cavity are presented. A humidified purge gas is supplied to a resonant cavity of a laser based illumination...
US20090180503 Laser oscillator  
A laser oscillator is obtained in which the flatness of an optical element that makes contact with a cooling flange is maintained in a highly precise state, by suppressing a flange presser and a...
US20090251697 LASER EMITTER MODULES AND METHODS OF ASSEMBLY  
Embodiments are directed to laser emitter modules and methods and devices for making the modules. Some module embodiments are configured to provide hermetically sealed enclosures that are...
US20080279238 ILLUMINATION APPARATUS, DISPLAY APPARATUS AND PROJECTION DISPLAY APPARATUS  
An illumination apparatus includes: a solid-state light source; a Peltier element configured to cool the solid-state light source; a light amount sensor configured to detect an amount of a light...
US20090103574 LASER MODULE PACKAGE AND DISPLAY APPARATUS USING THE SAME  
Disclosed are a laser module apparatus and a display apparatus using the same. In accordance with an embodiment of the present invention, a laser module package which generates a green laser beam...
US20090041072 OPTICAL COMMUNICATION MODULE AND OUTPUT CONTROL METHOD OF SEMICONDUCTOR LASER  
An optical communication module includes a semiconductor laser drive circuit configured to supply a drive current to a semiconductor laser so as to output a laser beam; a drive control section...
US20130044777 OPTICAL TRANSMITTER WITH STABLE OUTPUT WAVELENGTH  
An optical transmitter is disclosed, where the optical transmitter shows an emission wavelength kept stable in one of grid wavelengths of the WDM system during the boot of the transmitter. The...
US20120087384 COMPONENT TEMPERATURE CONTROL  
There is disclosed an electronic apparatus comprising a chip within a casing. A thermoelectric cooler has thermal connections to the chip and the casing and is configured to transport heat from...
US20100232460 ELECTROMAGNETICALLY PUMPED ALKALI METAL VAPOR CELL SYSTEM  
An electromagnetic pumped alkali metal vapor cell system is provided. The system comprises a vapor cell and windings. The vapor cell contains alkali metal and a buffer. The windings are positioned...
US20130208745 HEAT-SWAP DEVICE AND METHOD  
A TOSA can include: a light emitting element; and one or more heating elements thermally coupled to the light emitting element so as to provide a substantially constant heat generation profile...
US20070121688 Line replaceable systems and methods  
In accordance with at least one embodiment of the present invention, a manufacturing system includes a factory system and a field system. The factory system includes a first mount configured to...
US20090074021 OPERATING A PULSE LASER DIODE  
Circuit arrangements for the operation of a pulse laser diode and methods for operating a pulse laser diode include a current source to supply a direct current to the pulse laser diode. The...
US20130028278 OPTICAL TRANSMITTER FOR STABILIZING OUTPUT WAVELENGTH  
An optical transmitter implemented with an LD whose temperature is stably controlled is disclosed. A temperature of the LD is continuously monitored; and a difference from the target temperature...
US20090274182 LIGHT SOURCE, LIGHT SOURCE DEVICE, LASER IMAGE FORMING DEVICE AND INTEGRATED CIRCUIT  
The light sources (10) according to the present invention includes a laser oscillator including a semiconductor laser (11), a drive circuit (18) for the semiconductor laser (11), an ACC circuit...
US20110299559 OPTICAL DEVICE  
When environmental temperature becomes low, the quantity of light of the backward output light irradiated onto a light absorber formed on a mount over which a chip is mounted, is increased by a...
US20090299693 Laser System Calibration  
Disclosed is a method to determine behavior characteristics of one or more modules of a laser system. The method includes applying inputs to the one or more modules of the laser system, measuring...
US20060262818 Microcontroller based thermoelectric cooler controller  
Controlling a thermo electric cooler (TEC) in a transceiver using a microcontroller. The microcontroller is used to control functionality in addition to the TEC control functionality....
US20080159348 HIGH EFFICIENCY THERMOELECTRIC COOLER CONTROL SYSTEM  
A temperature control system is provided for efficiently controlling the temperature of an optical transmitter such as a laser diode. The temperature control system of the present invention...
US20050190810 Contact-bonded optically pumped semiconductor laser structure  
An optically pumped semiconductor (OPS) structure includes a multilayer gain-structure surmounting a mirror structure. One surface of a diamond heat spreader is attached to the mirror structure...
US20090296761 Optical device including a bimorph-type piezoelectric element  
An optical device includes optical parts including a laser diode element accommodated in a housing. A bimorph-type piezoelectric element is arranged in a vicinity of the laser diode element and...
US20080285602 Narrow-Spectrum Laser Device  
A spectral purity range (E95) of a laser beam output from an amplifying laser device (300) is measured by spectral purity range measuring means. To have the measured spectral purity range (E95)...
US20080198882 Active cooling of crystal optics for increased laser lifetime  
A laser beam is generated and transmitted within an enclosed pathway through at least one crystal optic at a power density that progressively degrades transmissivity of the crystal optic with...
US20070030865 External cavity tunable compact mid-IR laser  
A compact mid-IR laser device utilizes an external cavity to tune the laser. The external cavity may employ a Littrow or Littman cavity arrangement. In the Littrow cavity arrangement, a filter,...
US20140079083 OPTICAL MODULE AND METHOD OF CONTROLLING OPTICAL MODULE  
Provided is an optical module in which a temperature of a semiconductor element to be subjected to temperature control is controlled to fall within a desired operating temperature range regardless...
US20090285251 PLANAR LIGHTWAVE CIRCUIT AND TUNABLE LASER DEVICE HAVING THE SAME  
To prevent the property of an optical filter from being changed even if there is a change in a gap of directional couplers generated due to variations in manufacturing conditions so as to improve...
US20100074285 Microchannel Cooler For High Efficiency Laser Diode Heat Extraction  
A laser diode package includes a laser diode, a cooler, and a metallization layer. The laser diode is used for converting electrical energy to optical energy. The cooler receives and routes a...
US20090104727 HIGH POWER SEMICONDUCTOR LASER DIODES  
A high power laser source comprises a bar of laser diodes, a submount onto which said laser bar is affixed, and a cooler onto which said submount is affixed. The laser bar has a first coefficient...
US20080298402 Thermally Controlled External Cavity Tuneable Laser  
The present invention relates to an external-cavity tuneable laser including a gain medium (2) and a tuneable mirror (8), wherein at least the tuneable mirror is in thermal contact, with a...
US20080291954 Optical Projection System and Method for a Cooled Light Source  
A light projection optical system is presented. The system comprises a cooling chamber containing: a light source operative at a cool temperature being lower than 240K; a cooler unit capable of...
US20060029115 Optical head with heat sink  
An optical head with a heat sink. The optical head includes an optical bench; a laser diode combined with the optical bench; a first heat sink combined with a lower surface of the optical bench;...
US20050063434 Semiconductor laser diode having a PCB type lead frame  
Disclosed is a laser diode having a PCB type lead frame. In the laser diode, a luminous element functions to emit a laser beam. A frame unit has an upper section mounted with the luminous element...
US20080089371 Bright light source with two-dimensional array of diode-laser emitters  
A bright light-source includes four diode-laser bars stacked on another in the fast-axis direction. Each of the diode-laser bars has a substrate side and an expitaxial side. In one example of the...
US20070160097 Heat sink for a pulsed laser diode bar with optimized thermal time constant  
A radiation-emitting optoelectronic component (1) which is connected to a heat sink (3) and is intended for pulsed operation with the pulse duration D, and in which temperature changes of the...
US20090279577 Multi-pass laser amplifier with staged gain mediums of varied absorption length  
A laser amplification system is disclosed that enables reliable operation over large ambient temperature operating window, as well as a significant reduction of laser temperature sensitivity...

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