| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 372035000 | Liquid coolant | 61 |
| 20080198883 | Laser Thermal Management Systems And Methods - A laser system thermal management system includes a laser gain assembly and a thermal management assembly. The laser gain assembly includes a laser gain medium and may include laser pump diodes. The thermal management system includes a high pressure gas tank connected to an open-cycle Joule-Thompson refrigerator. Cooled and partially liquefied gas is introduced into a reservoir. The reservoir may be in good direct thermal contact with the laser gain assembly or via a closed loop recirculating fluid heat exchanger. The heat generated by the laser gain assembly is removed by heat exchange with the cooled gas and condensate in the reservoir either by direct thermal contact or via the recirculating heat exchanger loop. Gas evaporating in the reservoir is vented. | 08-21-2008 |
| 20080225912 | Solar Light Pumped Laser and Cooling Method of Solar Light Pumped Laser - A solar light pumped laser performing laser oscillation by pumping a laser medium with solar light, the solar light pumped laser including, a laser medium | 09-18-2008 |
| 20080240183 | RF excited CO2 slab laser tube housing and electrodes cooling - The laser tube housing of a CO | 10-02-2008 |
| 20080247432 | Semiconductor Laser Equipment - This invention relates to a semiconductor laser apparatus having a structure to prevent corrosion in a refrigerant flow path of a heat sink and cool stably a semiconductor laser array over a long period. The semiconductor laser apparatus has a semiconductor laser stack, a refrigerant supplier, an insulating piping, and a refrigerant. The refrigerant supplier supplies the refrigerant to the semiconductor laser stack. The refrigerant is comprised of fluorocarbon. The insulating piping is an insulating piping with flexibility. An grounded conductive material is arranged inside the insulating piping. The conductive material operates to remove static electricity generated where the refrigerant flows inside the insulating piping. | 10-09-2008 |
| 20080279239 | Semiconductor Laser Device and Method of Manufacturing the Same - A semiconductor laser device | 11-13-2008 |
| 20090161709 | MULTICHIP PACKAGE, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a multichip package comprising an optoelectronics assembly; a socket that houses the optoelectronics assembly; the socket being in electrical communication with the optoelectronics assembly; a plate having a first surface and a second surface; the first surface being opposedly disposed to the second surface; a portion of the first surface contacting a portion of the socket to provide thermal contact between the socket and the plate; a serpentine channel being disposed between the plate and the socket to provide a passage for a communication cable that is in operative communication with the optoelectronics assembly; and a heat exchanger in thermal contact with the plate; the heat exchanger being operative to cool the multichip package. | 06-25-2009 |
| 20090185592 | Laser diode system with reduced coolant consumption - High-power laser diode system offering reduced consumption and inventory of coolant. The invention provides coolant at a very high flow rate to a heat exchanger. A portion of the coolant flow downstream of the heat exchanger is separated and pumped by a fluid-dynamic pump back into the heat exchanger. The fluid dynamic pump is operated by a fresh coolant supplied at high-pressure. Because a substantial portion of the flow leaving the heat exchanger is recirculated back to the inlet, the amount of fresh coolant consumed is substantially reduced compared to a traditional laser diode system. This enables reduced size of coolant lines and results in a more compact and lightweight system. Other uses of the invention include cooling of devices requiring heat rejection at very high heat flux including photovoltaic cells, solar panels, semiconductor laser diodes, semiconductor electronics, and laser gain medium. | 07-23-2009 |
| 20090257465 | Portable laser device - A hand-held laser device includes a casing formed with a substantially hollow interior space and having a laser emitter thereinside. The laser emitter is formed with an exciting lamp and a laser rod. A source generating a stream of gaseous coolant is provided within the interior space. A fluid cooling arrangement at least partially surrounding the laser rod is disposed within the stream of gaseous coolant for heat removal therefrom. | 10-15-2009 |
| 20090323743 | High-Power, High-Throughput Microwave Discharge Singlet Oxygen Generator for Advanced Electrical Oxygen-Iodine Lasers - A laser device includes an optical resonator, a microwave driven discharge device, and a source for a second gas. The microwave driven discharge device is disposed relative to the optical resonator. The microwave driven discharge device operates at a discharge power and gas flow rate to produce a selected amount of energetic singlet oxygen metastables flowing in the direction of the optical resonator. The second source for the second gas is disposed between the optical resonator and the microwave driven discharge device. The second gas reacts with the selected amount of energetic singlet oxygen metastables to form an excited species in an amount sufficient to support lasing of the excited species in the optical resonator. | 12-31-2009 |
| 20100080254 | TEMPERATURE TUNING OF OPTICAL DISTORTIONS - The systems and methods herein provide for tuning an optical characteristic of a gain medium for a laser system. For example, a system may include a thermal tuner that dynamically controls the temperature of the gain medium to compensate for thermal mechanical distortions of the gain medium caused by laser energy in the gain medium. In doing so, the tuner may dynamically adjust a coolant temperature and/or a coolant flow rate proximate to the gain medium. Accordingly, heat is dynamically removed from the gain medium so as to adjust for optical distortions in the gain medium. Such a dynamic heat removal may provide a laser system designer with the ability to generate laser energy with controllable predetermined optical wavefronts (e.g., a flat optical wavefront). | 04-01-2010 |
| 20100098121 | LIQUID COOLED LASER BAR ARRAYS INCORPORATING DIAMOND/COPPER EXPANSION MATCHED MATERIALS - A laser diode array having a plurality of diode bars bonded by a hard solder to expansion matched spacers and mounted on a gas or liquid cooled heatsink. The spacers are formed of a material such as copper/diamond composite material having a thermal expansion that closely matches that of the laser bars. | 04-22-2010 |
| 20100118901 | HERMETICALLY-SEALED RF FEED-THROUGH WITH INTEGRATED CAPACITOR - A carbon-dioxide (CO | 05-13-2010 |
| 20100158058 | LASER MODULE - A laser module ( | 06-24-2010 |
| 20100202479 | HEAT SINK, LASER APPARATUS PROVIDED WITH SUCH HEAT SINK, AND LASER STACK APPARATUS - A heat sink has a first flat plate, a partition plate, and a second flat plate. The first flat plate has an upper surface in which a first recess is formed. The second flat plate has a lower surface in which a second recess is formed, and an upper surface on which a semiconductor laser element is mounted. These recesses form a part of a refrigerant channel. The partition plate has a lower surface covering the first recess, an upper surface covering the second recess, and at least one through hole having the first recess communicated with the second recess. The first flat plate and the second flat plate both have a first coefficient of thermal expansion. The partition plate has a second coefficient of thermal expansion lower than the first coefficient of thermal expansion. | 08-12-2010 |
| 20100254419 | HIGH ENERGY LASER THERMAL MANAGEMENT - Methods and systems are disclosed for cooling a laser, such as a high average power (HAP) solid state laser (SSL). A coolant that has been heated from previous use can be conditioned by transferring heat from the coolant to a phase change medium. The conditioned coolant can then be re-used to cool the laser. In this manner, a low cost, lightweight, compact cooling system that generates comparatively quiescent flow at comparatively high flow rates can be provided. | 10-07-2010 |
| 20110026551 | Laser Diode Ceramic Cooler Having Circuitry For Control And Feedback Of Laser Diode Performance - A laser diode package includes a laser diode, a cooler, and control circuitry, such as an integrated circuit. The laser diode is used for converting electrical energy to optical energy. The cooler receives and routes a coolant from a cooling source via internal channels. The cooler includes a plurality of ceramic sheets. The ceramic sheets are fused together. The ceramic sheets include traces or vias that provide electrically conductive paths to the integrated circuit. The control circuitry controls the output of the laser diode, e.g. the output at each of the laser diode's emitters. Multiple laser diode packages are placed together to form an array. | 02-03-2011 |
| 20110051759 | METHOD AND SYSTEM FOR POWERING AND COOLING SEMICONDUCTOR LAYERS - A semiconductor laser system includes a diode laser tile. The diode laser tile includes a mounting fixture having a first side and a second side opposing the first side and an array of semiconductor laser pumps coupled to the first side of the mounting fixture. The semiconductor laser system also includes an electrical pulse generator thermally coupled to the diode bar and a cooling member thermally coupled to the diode bar and the electrical pulse generator. | 03-03-2011 |
| 20110110389 | Laser Oscillator - A laser oscillator for improving efficiency of conversion from solar rays to laser beams is provided. The laser oscillator includes: a laser medium | 05-12-2011 |
| 20110182308 | Monolithic Fiber Laser Beam Combiner - A compact, light weight laser beam combiner includes a pair of concentric annular shells defining an annular cavity of an annular ring resonator having an annular solid laser gain medium disposed therein. The output ends of a plurality of low power and brightness fiber lasers are coupled into the cavity of the resonator such that fiber laser beams cause the gain medium in the resonator cavity to lase and produce an annular beam of laser light. Optical elements of the resonator are operable to feed a first portion of the laser light back through the resonator cavity to support regenerative lasing of the laser medium and to couple off a second portion of the laser light in the form of a circular beam of high power and high brightness laser light. A fluid may be circulated through the resonator cavity to cool the laser medium. | 07-28-2011 |
| 20110206077 | Thin Disk Laser Operations with Unique Thermal Management - A thermal management apparatus and method for a thin disk laser system enabling the laser system to have near isothermal temperatures across and throughout a thin disk comprising a mechanically controlled oscillating heat pipe having effective thermal conductivity of 10-20,000 W/m*K that promotes near isothermal conditions in lasing of the thin disk, a thin disk lasing crystal or ceramic bonded to the mechanically controlled oscillating heat pipe, and a supporting structure including a surface bonded to the thin disk that matches the CTE (coefficient of thermal expansion) of both materials. | 08-25-2011 |
| 20110211604 | Completely Self-Adjusted Surface-Emitting Semiconductor Laser For Surface Mounting Having Optimized Properties - The present invention relates to a surface-emitting semiconductor laser having a vertical resonator, comprising a substrate base section ( | 09-01-2011 |
| 20110286482 | LASER DIODE PACKAGE WITH ENHANCED COOLING - A laser diode package assembly includes a reservoir filled with a fusible metal in close proximity to a laser diode. The fusible metal absorbs heat from the laser diode and undergoes a phase change from solid to liquid during the operation of the laser. The metal absorbs heat during the phase transition. Once the laser diode is turned off, the liquid metal cools off and resolidifies. The reservoir is designed such that that the liquid metal does not leave the reservoir even when in liquid state. The laser diode assembly further includes a lid with one or more fin structures that extend into the reservoir and are in contact with the metal in the reservoir. | 11-24-2011 |
| 20120093183 | COOLING MODULE FOR LASER, FABRICATING METHOD THEREOF, AND SEMICONDUCTOR LASER FABRICATED FROM THE MODULE - This invention relates to semiconductor lasers, and more particularly, to a cooling module for fabricating a liquid-cooled semiconductor laser, a fabricating method, and a semiconductor laser fabricated from the module, wherein the cooling module for a laser makes use of a liquid cooling plate provided with radiating fins to cool the semiconductor chip. After replacement of the traditional micro-channel structure with the radiating fin structure, the present invention effectively reduces the resistance to flow of the cooling liquid, remarkably lowers the pressure decrease of the cooling liquid, makes it easier to seal the cooling liquid, provides stronger heat dissipating capability, effectively elongates the lifetime of the semiconductor laser, and enhances the output power and reliability of the semiconductor laser, alongside the advantages of simple fabrication and low production cost. | 04-19-2012 |
| 20120177073 | Microchannel Cooler for a Single Laser Diode Emitter Based System - A laser system that allows transverse arrangement of laser emitters around a laser medium. The system includes a laser medium with a coolant source such as a pump and electrical controls. A pump layer has a mounting surface, an opposite bottom surface and a center aperture through which the laser medium is inserted. A plurality of laser diode emitters are disposed on the mounting surface of the pump layer circumferentially around the laser medium. An intermediate layer has at least one radial channel in fluid communication with the coolant conduit of the pump layer. The intermediate layer is in contact with the bottom surface of the pump layer. A middle layer has a plurality of micro-channels formed therethrough and a center aperture. The micro-channels are radially arranged around the center aperture and the middle layer in contact with the intermediate layer. The coolant source is fluidly coupled to the micro-channels to allow coolant to be directed through the microchannels and the radial channel to impinge on the bottom surface of the pump layer. | 07-12-2012 |
| 20120320937 | Anti-Transverse Lasing Device with Longitudinal Cooling for Emitting a Laser Beam - A device for emitting a laser beam comprises a cylindrical solid amplifier medium, having a fluorescence wavelength λ, delimited by a surface Σ connecting two faces and intended to be pumped through both the faces, or one of them, in order to become a gain medium. It comprises a cooling fluid of thermal conductivity Cr in contact with the amplifier medium over one of the faces, and an index matching liquid that absorbs or scatters the fluorescence wavelength, of thermal conductivity Ci<0.3 Cr, in contact with the amplifier medium over its surface Σ. | 12-20-2012 |
| 20130003764 | LASER DIODE ARRANGEMENT - A laser diode arrangement having a multiplicity of laser diodes ( | 01-03-2013 |
| 20130100974 | LIGHT EMITTING SYSTEMS - A laser diode grid element comprising laser diodes arranged along a corresponding substantially flat surface; and a collimator for each laser diode for generating collimated light beams substantially perpendicular on the respective substantially flat surface. The laser diodes are comprised in standard packages including a base plate serving as cooling surface of the laser diode, a metal housing arranged on the base plate to protect the laser diode, and at least two driving pins which extend from the laser diode through the base plate and which are used for driving the laser diode within the package. The laser diode grid element includes a heat sink arranged in contact with the base plates, and the at least two driving pins of each laser diode extend at least partially through the heat sink. Also provided are light emitting systems comprising such grid elements, and an optical component for use in such system. | 04-25-2013 |
| 20130100975 | Controlling Temperature Differences in a Gas Laser - A gas laser includes discharge tubes connected to together by corner housings, each corner housing including a first cooling channel configured to allow flow of a first coolant. A heat exchanger circuit includes a plurality of second cooling channels configured to allow flow of a second coolant. Each second cooling channel is operable to cool laser gas prior to the laser gas entering into one of the corner housings. The gas laser further includes a temperature control device, in which the temperature control device is selected from the group consisting of a laser gas cooling device, a coolant temperature control assembly, and combinations thereof. The temperature control device is operable to maintain a temperature difference of less than approximately 5 K between the first coolant flowing through the first cooling channel of the corner housing and the laser gas entering into the corner housing. | 04-25-2013 |
| 20130163625 | DISK LASER - The different advantageous embodiments provide an apparatus and method comprising a substrate configured to increase an intensity of light at a desired wavelength. The substrate has a front side, a back side, and an outer edge. The substrate is configured to reflect the light received on the front side of the substrate. The substrate comprises ceramic. The substrate comprises a plurality of sections. The method and apparatus also comprise a material configured to attenuate the light passing between the plurality of sections. The material surrounds an edge of each section of the plurality of sections. The apparatus and method also comprise a cooling system configured to allow liquid nitrogen to be transmitted through the cooling system and receive heat generated in the substrate from the back side of the substrate. | 06-27-2013 |
| 20130163626 | Optical Illuminator - Illuminator module comprising VCSEL arrays with planar electrical contacts, readily adaptable for surface mounting, is provided. Monolithic VCSEL arrays are configured in array patterns on two and three-dimensional surfaces. Illuminator modules are easily expandable by increasing the array size or by modularly arranging more arrays with or without a transparent substrate. Different shapes of illuminator modules may be configured by tiling array modules monolithically on a common substrate, or by tiling small modules. The surface mountable illuminator modules are easily assembled on a thermally conductive surface that may be air or liquid cooled for efficient heat dissipation. Array modules may be integrated with other electronic circuits such as current drivers, sensors, controllers, processors, etc. on a common platform, for example, a single or multiple layer printed circuit boards (PCB) to assemble illumination systems for different applications including a gesture recognition apparatus and a battery operated portable illuminator devices. | 06-27-2013 |
| 20130250985 | LASER SYSTEM CHILLER - A laser system includes a laser element, a pump source configured to input light to the laser element, a first cooling circuit and a second cooling circuit. The first cooling circuit includes a first pump configured to drive a first flow of cooling liquid through a first fluid pathway, a first primary heat exchanger configured to cool the first flow of cooling liquid, and a laser element heat exchanger configured to remove heat from the laser element using the first flow of cooling liquid. The second cooling circuit includes a second pump configured to drive a flow of cooling liquid through a second fluid pathway, a second primary heat exchanger configured to cool the second flow of cooling liquid, and a pump source heat exchanger configured to remove heat from the pump source using the first and second flows of cooling liquid. | 09-26-2013 |
| 20130259074 | COMPACT CO2 SLAB-LASER - A compact CO | 10-03-2013 |
| 20130279530 | SEMICONDUCTOR LASER DEVICE - A semiconductor laser bar | 10-24-2013 |
| 20130294469 | TEMPERATURE CONTROLLER FOR GAS LASER - A temperature controller for a gas laser which controls temperatures of a plurality of temperature-controlled apparatuses including a first temperature-controlled portion requiring a high-precision temperature-control and a second temperature-controlled portion requiring a low-precision temperature-control as compared with the first temperature-controlled portion and allowing a temperature-control with a low or high temperature as compared with the first temperature-controlled portion, comprises a first temperature control portion generating a cooling agent or a heating agent for adjusting a temperature of each first temperature-controlled portion, a second temperature control portion generating a cooling agent or a heating agent for adjusting a temperature of each second temperature-controlled portion, a first piping system connecting the first temperature control portion and each first temperature-controlled portion in parallel, and a second piping system connecting the second temperature control portion and each second temperature-controlled portion in parallel. | 11-07-2013 |
| 20130294470 | TEMPERATURE CONTROLLER FOR GAS LASER - A temperature controller for a gas laser which controls temperatures of a plurality of temperature-controlled apparatuses including a first temperature-controlled portion requiring a high-precision temperature-control and a second temperature-controlled portion requiring a low-precision temperature-control as compared with the first temperature-controlled portion and allowing a temperature-control with a low or high temperature as compared with the first temperature-controlled portion, comprises a first temperature control portion generating a cooling agent or a heating agent for adjusting a temperature of each first temperature-controlled portion, a second temperature control portion generating a cooling agent or a heating agent for adjusting a temperature of each second temperature-controlled portion, a first piping system connecting the first temperature control portion and each first temperature-controlled portion in parallel, and a second piping system connecting the second temperature control portion and each second temperature-controlled portion in parallel. | 11-07-2013 |
| 20130322475 | MODE TAILORED SPHERICAL LASER - A spherical laser includes a transparent or semi-transparent outer spherical vessel having an internal cavity, an amplifying medium in the cavity, and means to excite the amplifying medium. The sphere is provided with a partially reflective coating to act as a spherical optical resonator. The spherical resonator includes a plurality of optically different regions containing alternative optical media from the cavity medium differing in bulk optical parameters utilized for mode tailoring. The optically different regions work collectively to exclude the whispering gallery modes from those supported by the spherical cavity. Excitation of the amplifying medium produces an optical gain. When the gain exceeds cavity losses and threshold conditions are met, lasing is supported. This creates a three-dimensional, spherically radiating emission, emulating a point source. The sphere is enclosed within a mirrored ellipse to image the output to a point, or within a mirrored parabola to columinate the emission. | 12-05-2013 |
| 20140016658 | DISK LASER - The different advantageous embodiments provide an apparatus and method comprising a substrate configured to increase an intensity of light at a desired wavelength. The substrate has a front side, a back side, and an outer edge. The substrate is configured to reflect the light received on the front side of the substrate. The substrate comprises ceramic. The substrate comprises a plurality of sections. The method and apparatus also comprise a material configured to attenuate the light passing between the plurality of sections. The material surrounds an edge of each section of the plurality of sections. The apparatus and method also comprise a cooling system configured to allow liquid nitrogen to be transmitted through the cooling system and receive heat generated in the substrate from the back side of the substrate. | 01-16-2014 |
| 20140119393 | MACRO-CHANNEL WATER-COOLED HEAT-SINK FOR DIODE-LASER BARS - A diode-laser bar is mounted on water-cooled heat-sink between two ceramic sub-mounts for electrically isolating cooling-water in the heat-sink from the diode-laser bar. Mounting between the two ceramic sub-mounts also provides for balancing stresses due to differences in coefficient of thermal expansion (CTE) between the sub-mounts and the diode-laser bar. Both sub-mounts are in thermal communication with the heat-sink for providing two-sided cooling of the diode-laser bar. | 05-01-2014 |
| 20140119394 | MACRO-CHANNEL WATER-COOLED HEAT-SINK FOR DIODE-LASER BARS - A water-cooled heat-sink for a diode-laser bar includes a copper-cooling-unit having an integral mount thereon for the diode-laser bar. The copper-cooling-unit is attached to a steel base-unit. The base-unit and the cooling-unit are cooperatively configured such that at least one cooling-channel is formed in the cooling-unit by the attachment of the base-unit to the cooling-unit. The cooling-channel is positioned to cool the mount when cooling-water flows through the cooling-channel. | 05-01-2014 |
| 20140169393 | COOLING ARRANGEMENT FOR LASER-ACTIVE SOLID-STATE MATERIALS, LASER ARRANGEMENT AND METHOD FOR COOLING A LASER-ACTIVE SOLID-STATE MATERIAL - Cooling arrangement for laser-active solid-state materials, laser arrangement and method for cooling a laser-active solid-state material. The invention relates in particular to a cooling arrangement for the active liquid cooling of a laser-active solid-state material. In order to achieve an advantageous cooling effect, it is proposed to use a nozzle unit which is formed and adapted in order to subject the laser-active solid-state material to a directed coolant jet. | 06-19-2014 |
| 20140169394 | MACRO-CHANNEL WATER-COOLED HEAT-SINK FOR DIODE-LASER BARS - A water-cooled heat-sink for a diode-laser bar includes a copper-cooling-unit having an integral mount thereon for the diode-laser bar. The copper-cooling-unit is attached to a steel base-unit. The base-unit and the cooling-unit are cooperatively configured such that at least one cooling-channel is formed in the cooling-unit by the attachment of the base-unit to the cooling-unit. The cooling-channel is positioned to cool the mount when cooling-water flows through the cooling-channel. | 06-19-2014 |
| 20140177662 | COOLING DEVICE AND SEMICONDUCTOR LASER DEVICE - There is provided a semiconductor laser device including a plurality of members constituting a first group and a second group in each of which a semiconductor laser element is incorporated, a cooling jacket having, on a surface of the cooling jacket, a first region in which the member of the first group is disposed and a second region in which the member of the second group is disposed, and a cooling medium channel which is disposed in a portion close to the first region and separate from the second region inside the cooling jacket and through which a cooling medium passes. | 06-26-2014 |
| 20140204968 | Cooling module for laser, fabricating method thereof, and semiconductor laser fabricated from the module - A cooling module for fabricating a liquid-cooled semiconductor laser, a fabricating method, and a semiconductor laser fabricated from the module are provided, wherein the cooling module for a laser makes use of a liquid cooling plate provided with radiating fins to cool the semiconductor chip. After replacement of the traditional micro-channel structure with the radiating fin structure, the cooling module effectively reduces the resistance to flow of the cooling liquid, remarkably lowers the pressure decrease of the cooling liquid, makes it easier to seal the cooling liquid, provides stronger heat dissipating capability, effectively prolongs the lifetime of the semiconductor laser, and enhances the output power and reliability of the semiconductor laser, alongside the advantages of simple fabrication and low production cost. | 07-24-2014 |
| 20140269797 | SYSTEM FOR COOLING ELECTRONIC COMPONENTS - A system for cooling electronic components is provided, the system comprising: a first electronic component having a first operating temperature; a second electronic component having a second operating temperature greater than the first operating temperature; a vapour compression loop configured to cool the first electronic component to the first operating temperature; a pumped cooling loop configured to cool the second electronic component to the second operating temperature; and a heat exchanger between the vapour compression loop and the pumped cooling loop, the heat exchanger configured to transfer heat from the pumped cooling loop to the vapour compression loop before the second electronic component is cooled and after the first electronic component is cooled. | 09-18-2014 |
| 20140269798 | Silicon-Based Cooling Apparatus For Laser Gain Medium - Embodiments of silicon-based thermal energy transfer apparatus for a gain medium of a laser system are provided. In one aspect, a silicon-based thermal energy transfer apparatus includes silicon-based first and second manifolds each having internal coolant flow channels therein. When the first and second manifolds are coupled together, a first groove on the first manifold and a second groove on the second manifold form a through hole configured to receive the gain medium therein. The through hole has a polygonal cross section when viewed along a longitudinal axis of the gain medium. | 09-18-2014 |
| 20140328360 | MOUNTING VANE FOR OPTICAL ELEMENT OF A LASER - A mount for an optical element such as in a laser, optical amplifier, or other optical system, is disclosed. The mount is a mounting vane ( | 11-06-2014 |
| 20150010030 | COOLING SYSTEM, RESERVOIR UNIT AND CARTRIDGE, AS WELL AS SOLID-STATE LASER OSCILLATOR SYSTEM PROVIDED WITH THE SAME - A reservoir unit which is included as an element along a circulation path of a cooling system includes a cartridge and a cartridge loading unit which are configured to be removable from each other. The cartridge includes a reservoir chamber that stores a circulating liquid, and a connection portion in fluid communication with the reservoir chamber. The cartridge loading unit includes a connection receiving portion, to which the connection portion is connected, and a connection port. When the cartridge and the cartridge loading unit are attached to each other, the connection portion, the connection receiving portion and the connection port form a feed path that allows feeding the circulating liquid to the circulation path outside, and a collection path that allows collecting the circulating liquid into the reservoir chamber. | 01-08-2015 |
| 20150016480 | Crystal Laser Comprising A System For Cooling The Crystal With A Fluid - A crystal laser including a doped crystal, and a system for cooling the crystal. This cooling system includes: a support including a first and a second surfaces; a device for fastening the crystal to the first surface of the support to form a tight cavity between a first surface of the crystal and the first surface of the support; a circuit for supplying the tight cavity with a liquefied gas; and a device for cooling the second surface of the support. | 01-15-2015 |
| 20150030043 | Cooling Laser Gas - A cooling arrangement for cooling laser gas for a gas laser includes a first cooling circuit having a first cooling assembly and a first heat exchanger for cooling laser gas which flows from a fan to a resonator of the gas laser, and a second cooling circuit which is independent of the first and which has a second cooling assembly and a second heat exchanger for cooling laser gas which flows from the resonator to the fan. The second cooling circuit has at least one additional heat exchanger for additionally cooling the laser gas which flows from the fan to the resonator. | 01-29-2015 |
| 20150303641 | LED PUMPED LASER DEVICE AND METHOD OF USE - The present invention provides an apparatus and method for pumping solid-state lasers and amplifiers. More specifically, to a method and apparatus for pumping solid-state lasers and amplifiers using Light Emitting Diode (LED) arrays. In one embodiment, the apparatus comprises a gain medium, a plurality of LEDs in optical communication with the gain medium to excite the gain medium, the plurality of LEDs arranged in an LED array, a driving circuit to energize the LED array, and a thermoelectric cooler to reduce the temperature of the LED array, wherein the gain medium is pumped by the LED array to emit a laser light. | 10-22-2015 |
| 20150372451 | COMPACT HIGH CURRENT, HIGH EFFICIENCY LASER DIODE DRIVER - A device includes a u-channel shaped member and a printed circuit board including a plurality of capacitors. Each of the plurality of capacitors has a mounting surface mounted to the printed circuit board and an opposing heat transfer surface thermally coupled to the u-channel shaped member. The device also includes an output cable coupled to the printed circuit board and a return cable coupled to the printed circuit board. The device further includes a control transistor disposed inside the u-channel shaped member and a current sensing resistor disposed inside the u-channel shaped member. | 12-24-2015 |
| 20160118766 | COOLING DISK LASERS - A laser disk module includes a lasing element including an active gain medium, the lasing element including opposite top and bottom end surfaces, and a heat transfer element adjacent the bottom end surface, the heat transfer element including a ceramic material that defines a plurality of cooling structures. The heat transfer element is configured to transfer heat generated in the lasing element to a coolant in contact with the heat transfer element in the plurality of cooling structures during operation of the laser disk module. | 04-28-2016 |
| 20160118768 | COOLING DEVICE FOR COOLING A LASER ARRANGEMENT AND LASER SYSTEM COMPRISING COOLING DEVICES - The invention describes a cooling device ( | 04-28-2016 |
| 20160149369 | SYSTEMS AND METHODS FOR SUPPLYING POWER TO AND COOLING DENTAL LASER SYSTEMS - A dental laser system is configured to provide high peak laser power, low duty cycle laser pulses, yielding a low average laser power and thus a reduced need for cooling. The laser power system may be configured to provide the electrical power required to produce the low average laser power and not the high peak laser power, and may include a capacitor bank section configured to provide the electrical power needed to produce the high peak power laser pulses. The cooling system may be configured to provide laser cooling for the low average power level and thus may not require a refrigeration unit. | 05-26-2016 |
| 20160164241 | SYSTEM AND METHOD FOR COOLING A LASER GAIN MEDIUM USING AN ULTRA-THIN LIQUID THERMAL OPTICAL INTERFACE - A heat sink for cooling a laser gain medium includes a coolant channel, an inlet pore, an outlet pore, and a thermal optical interface (TOI) channel. The coolant channel is configured to receive a coolant for removing heat from the heat sink. The TOI channel is coupled to the coolant channel by the inlet pore and the outlet pore. The TOI channel is configured to receive a portion of the coolant through the inlet pore. The received portion forms an ultra-thin liquid TOI. The TOI channel is further configured to return a portion of the TOI through the outlet pore to the coolant channel. | 06-09-2016 |
| 20160204563 | LARGE APERTURE UNIFORM-AMPLIFICATION LASER MODULE | 07-14-2016 |
| 20160254635 | TEMPERATURE CONTROLLABLE GAS LASER OSCILLATOR | 09-01-2016 |
| 20160254636 | METHODS OF OPERATING A LASER SYSTEM CHILLER | 09-01-2016 |
| 20170237231 | COOLING APPARATUS FOR DIODE-LASER BARS | 08-17-2017 |
| 20180026414 | LASER UNIT AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM | 01-25-2018 |
| 20180026416 | LASER OSCILLATION COOLING DEVICE | 01-25-2018 |
