Matches 1 - 50 out of 1073 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
7415052 Low stress, high thermal conduction laser rod mounting  
A mount for suspending a laser medium has a cross section profile. The mount is configured to conduct heat away from the laser medium without imparting undue stress. The mount includes a laser host...
7415051 Air cooler laser apparatus and method  
An air cooled laser includes a laser housing with a laser module and heat sinks therein connected to a high pressure blower structure for causing an airflow to remove heat from the heat sinks and...
7411445 Phonon laser  
A phonon laser pumped by a thermal gradient, the phonon laser having a coherent phonon pumping media, a heat source and a heat sink. The pumping media includes an array of micro resonators and a...
7406247 Systems, devices and methods for thermal testing of an optoelectronic module  
Devices, systems and methods for thermal testing of optoelectronic modules are disclosed. The device includes a frame member, a thermoelectric cooler, a plate in thermal contact with the DUT, a...
7406109 Hand held laser for medical treatment  
A hand held laser for treating a skin condition includes a housing comprising a first end, a second end and a cavity therein wherein the cavity includes a substantially light reflective surface and...
7403347 Optical transmission module with temperature control  
An optical module including a temperature measurement module and an optical part having a temperature dependency. The module includes a temperature control part mounted directly or indirectly on...
7400659 Method and device for performing DBR laser wavelength modulation free of thermal effect  
The present invention is directed to a method and system for providing a three-level current scheme to a semiconductor laser to control beam wavelength and laser temperature. A first current is...
7398023 Method and apparatus for bias and alignment control in an optical signal transmitter  
A method and apparatus for controlling bias and alignment in an optical signal transmitter for providing intensity modulation and DPSK modulation to an optical signal, e.g. in an RZ-DPSK modulation...
7397835 Surface-emitting type semiconductor laser  
A surface-emitting type semiconductor laser includes: a first mirror; an active layer formed above the first mirror; a second mirror formed above the active layer; and a current constricting...
7397830 Semiconductor laser device  
A semiconductor laser device according to the present invention includes a mechanism section having a semiconductor laser, a first frame for holding the mechanism section and radiating heat...
7386022 Laser beam transmitter  
A laser oscillator includes a light condensing block having a through-hole for housing a laser medium, and an aperture for introducing excitation light from an excitation light source module into...
7386021 Light source  
In a first broad aspect, the invention provides a light source. The light source includes a semiconductor laser for emitting laser light at a first frequency. The light source also includes an...
7385752 Disposal of residual radiation from a frequency-conversion process  
A frequency-conversion arrangement including one or more optically nonlinear crystals is located in an enclosure. Radiation residual from the frequency conversion is directed into an optical fiber...
7382806 THz semiconductor laser incorporating a controlled plasmon confinement waveguide  
A semiconductor laser comprises an active region ( 12 ) which, in response to a pumping energy applied thereto, can produce a stimulated emission of radiation with a central wavelength (λ) in the...
7382556 Lens module  
A lens module ( 800 ) includes a lens barrel ( 20 ), a base ( 10 ), and a temperature compensation module ( 30 ). A first lens ( 201 ) is disposed in the lens barrel. The lens barrel is disposed in...
7376162 Method for stabilizing optical output of semiconductor laser  
In a method for stabilizing an optical output of a semiconductor laser: the semiconductor laser is heated with a heater when the semiconductor laser is not in operation; and the heating of the...
7372886 High thermal conductivity vertical cavity surface emitting laser (VCSEL)  
A light generating device such as a VCSEL includes a light generation layer, a top reflector, a bottom reflector, and a high thermal conductivity (HTC) layer between the light generation layer and...
7372884 Semiconductor laser driving circuit, light emitting device, and disk drive  
A semiconductor laser driving circuit has a circuit protection function at low temperature and includes a voltage current converter that converts an input voltage Vin, which is determined according...
7369589 Diode laser subelement and arrangements with such diode laser subelement  
Expansion-adapted mounting and electrical contacting of laser diode elements are connected with one another in terms of structural engineering such that the laser diode elements can be stacked or...
7369588 Broad-band optical semiconductor device and a method for manufacturing the same  
Disclosed is an optical semiconductor device that provides an optical gain or optical loss depending on application of electric current. The optical semiconductor device comprises: a lower clad...
7369586 Laser module  
In a laser module comprising a hermetically sealed container having inside a semiconductor laser device whose emission wavelength is 350˜450 nm, generation of organic volatile gas is suppressed in...
7366211 Laser containing a distributed gain medium  
A laser device which may be used as an oscillator or amplifier comprising a chamber having a volume formed therein and a gain medium within the volume. The gain medium comprises a solid-state...
7362782 Optical semiconductor device and controlling method of the same  
An optical semiconductor device includes a wavelength-tunable semiconductor laser chip, a mount carrier, a first temperature sensor and a wire. The wavelength-tunable semiconductor laser chip has a...
7359413 Diamond-cooled solid-state laser  
A diode-pumped solid state laser, e.g., in a side-pumped or end-pumped configuration, including a lasing medium ( 30, 40, 62 ) comprising at least one surface ( 41 ) through which the laser is...
7356057 Wide temperature range vertical cavity surface emitting laser  
A vertical cavity surface emitting laser (VCSEL) module that is configured to operate in a wide temperature range without severely minimizing its lifetime or requiring excessive drive current. The...
7352785 Solid state laser medium and laser medium heat transfer method  
A solid state laser medium comprising at least one cooling element, i.e. cooling element, in contact with and alternating in series with at least one gain element. At least one cooling element and...
7352784 Laser burst boosting method and apparatus  
Methods and apparatus for managing thermal loads on a laser gain medium and for boosting the output power of a diode pumped laser are disclosed. The short-term average pumping power to the gain...
7349453 Direct impingement cooling of a laser diode array  
A laser diode array assembly. The assembly includes a plurality of vertical emitting laser diodes. Each laser diode has a vertical emitting surface and an exposed substrate surface opposite from...
7342948 Blower used for laser oscillator  
In an laser oscillator ( 100 ), a blower ( 10, 20, 120 ) for circulating a laser medium between an electric discharge tube ( 102 ) and a circulating passage ( 104 ) includes: a casing ( 12 ) having...
7329008 Shock-resistant arrangement for, and method of, protecting a heat source from damage  
A lightweight, compact image projection system, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be...
7324570 Continuous temperature compensation for a laser modulation current  
Systems and methods for continuously compensating a modulation current of a laser. A temperature compensation circuit has circuitry with a positive temperature coefficient connected with circuitry...
7317742 Optical sub-assembly having a thermo-electric cooler and an optical transceiver using the optical sub-assembly  
The present invention relates to an optical transceiver that installs an optical transmitting assembly and an optical receiving assembly both are compact, inexpensive, and capable of operating at a...
7308008 Magnetically controlled heat sink  
A system and method for controlling the temperature of a heat-generating component such as a laser. A microelectromechanical system for controlling the temperature of the heat-generating component...
7305016 Laser diode package with an internal fluid cooling channel  
A laser diode assembly has a laser diode. The laser diode has an emitting surface and a reflective surface opposing the emitting surface. The laser diode has first and second side surfaces between...
7304293 Laser module  
A laser unit containing a laser package, in which a laser element has been hermetically sealed, is connected with a converging optical system unit containing a converging optical system. The laser...
7301975 Laser module  
In a laser module comprising a hermetically sealed container having inside a semiconductor laser device whose emission wavelength is 350˜450 nm, generation of organic volatile gas is suppressed in...
7300212 Semiconductor optical package  
A semiconductor optical package for optical communication includes a cooling plate dissipating internal heat generated from the semiconductor optical package and having one or more grooves passing...
7298767 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...
7289545 Semiconductor laser with integrated heating element and method of manufacturing same  
A semiconductor laser structure has a laser active region and side trenches extending along the laser active region. At least one heatable stripe, in at least one of the side trenches, is connected...
7286771 Multi-channel optical transmitter incorporating a tunable optical signal source and method for transmitting a multi-channel optical signal  
The multi-channel optical transmitter is composed of a tunable optical signal source, an optical multiplexer and an intensity reducer. The tunable optical signal source includes a tunable laser,...
7286575 Diode pumped alkali vapor fiber laser  
A method and apparatus is provided for producing near-diffraction-limited laser light, or amplifying near-diffraction-limited light, in diode pumped alkali vapor photonic-band-gap fiber lasers or...
7280572 Semiconductor laser beam device  
A semiconductor laser beam device, comprising a stem type package having a base part and a heat sink part, wherein the heat sink part is cylindrically formed so as to be concentric to the base...
7270490 Laser package with digital electronic interface  
Optical transmission components, systems, and packages where the package includes a common housing containing a laser for transmission of an optical signal, a photodetector optically coupled to the...
7269192 Optical transmitting module and a method for controlling the same  
The present invention provides a semiconductor laser module that reduces a shift of the output wavelength after the laser diode is practically operated. The laser module comprises the semiconductor...
7269191 Control circuit for optoelectronic module with integrated temperature control  
A microprocessor is used to control the temperature of a laser emitter and thereby regulate the wavelength of optical signals from the laser. A serial interface in the microprocessor provides input...
7264409 Container assembly for laser diode module  
In a container assembly for a laser diode module in which a temperature control device is not incorporated in advance, a heat-insulative casing is adapted to accommodate the laser diode module. A...
7251261 Temperature tuning the wavelength of a semiconductor laser using a variable thermal impedance  
An apparatus is described in which the temperature of a semiconductor laser (or other device) can be set to a desired value by using the heat generated by the laser itself in conjunction with an...
7245646 Surface-emitting type semiconductor laser and its manufacturing method, and optical module  
To provide a surface-emitting type semiconductor laser that has good luminescence property and can be driven at high speeds, and its manufacturing method. In a surface-emitting type semiconductor...
7244029 Laser projector having temperature control  
A laser projector including a cooling system having an internal wall dividing the housing into a first compartment containing the optical components and a second compartment containing the...
7239655 Compact high power laser dazzling device  
A compact high power laser dazzling device includes at least one heat sink, multiple laser resonators and an optical head. Each of the laser resonators extends axially from a first end, fixedly...
Matches 1 - 50 out of 1073 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >