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what is laser bias current?
A bias current is the direct and/or alternating current required to operate a bolometer at a specified resistance under specified ambient conditions.
total search1371 articles
2005-12-21 Reset IC features 40 laser-trimmed voltage thresholds
ST's new voltage detectors feature a choice of 40 different laser-trimmed voltage thresholds, and is a drop-in replacement for Torex XC61C series parts.
2003-01-08 Researchers improve tabletop EUV laser system
Researchers at the University of Colorado have boosted the output power and reduced the beam wavelength of their tabletop extreme ultraviolet laser system built with off-the-shelf components without altering its $5,000 cost.
2008-03-05 Researchers find way to plug laser gap
Researchers at Binghamton University in New York claim to have devised a strategy to bridge the lasing gap with new materials and architectures that could enable applications not now possible.
2005-11-30 Researchers develop hybrid silicon laser
Researchers at the University of California, Santa Barbara have developed a new laser that could have big implications for future optical communications. This hybrid laser offers an alternative to silicon Raman lasers and is an order of magnitude shorter, according to its creators.
2006-11-01 Researchers build 'first' hybrid silicon laser
Intel Corp. and University of California, Santa Barbara researchers have joined forces to create the world's first electrically powered hybrid silicon laser, which can produce terabit-level optical computer data pipes and high-performance computing applications.
2012-07-30 Researchers boast world's smallest semiconductor laser
Physicists at the University of Texas-Austin say they have developed the smallest semiconductor laser that operates well below the 3D diffraction limit.
2014-02-19 Red laser diode at 100mW outdoes He-Ne gas laser
The Oclaro laser diode from The Optoelectronics Company delivers a 633nm beam and consumes power as low as 0.4W, designed as an alternative to He-Ne gas lasers.
2010-08-12 Raytheon integrates millimeter-wave radar, uncooled imaging IR and semiactive laser in weapon
Raytheon announced that it will be supplying the USAF with GBU-53/B air-launched, precision-strike standoff weapons integrating millimeter-wave radar, uncooled imaging IR and semiactive laser.
2002-05-29 R&D association targets EUV lithography laser
Ten Japanese companies have formed an R&D association to develop a high-power laser technology by 2005 for use in extreme ultraviolet (EUV) lithography systems.
2010-10-07 Quantum Dot laser wins Green IT Award
QD Laser Inc., Fujitsu Ltd and the University of Tokyo have just announced that, as one of the highlights of the Green IT Awards 2010 granted by Japan's Green IT Promotion Council, they have been awarded by the Ministry of Trade, Economy and Industry Minister Award in the category of "Savings in IT-related Energy Consumption" for their quantum dot semiconductor laser technology.
2014-02-19 Quantum cascade THz laser tops power record at 1W
University of Leeds researchers have built a compact quantum cascade terahertz laser, using a semiconductor material of between 1,000 and 2,000 layers.
2007-01-24 Pumping lines integrate 10 laser diode arrays
RayTools has combined up to 10 laser diode arrays from Osram Opto Semiconductors' SIRILAS series into modular pumping lines.
2004-11-16 Precision method for laser diode emission control
In many applications where light is used to control a process, it is important to maintain a constant light level.
2006-01-03 PPGI to beef up Laser Optics, MRC Optics businesses
Photonic Products Group reported it has received $700,000 in proceeds from the issuance of a secured promissory note to a major shareholder, Clarex Holdings Ltd.
2013-10-22 Planar diffraction gratings target laser system apps
Shimadzu's LA series planar gratings claims to offer high diffraction efficiency of more than 90 per cent for near infrared wavelength laser compressor applications.
2004-02-03 Picolight, Honeywell cross-license laser patents
Picolight Inc. has cross-licensed patents covering vertical cavity surface-emitting lasers with Honeywell Inc.
2002-03-12 Photron laser chip has 15mA threshold current
The MQW-DFB laser chip provides a selectable wavelength between 1,530nm and 1,580nm, and threshold current of 15mA, with an output power of 10mW at 1.5V operating voltage.
2005-11-09 Photonic's new laser diode module with 70mW output power
Photonic Products rolled out a new 660nm laser diode module with a very high, very stable output power of 70mW.
2003-08-11 Photonic laser system shoots for accuracy
Photonic Products has released a 645nm visible red laser alignment system that is designed for apps demanding accuracy and consistency.
2003-10-14 Photonic laser module provides high-accuracy alignment
Photonic Products Ltd has introduced a 645nm visible red laser alignment system that meets high accuracy apps.
2002-10-28 Photonic laser diodes accept 2.5mm (x) ferrule connectors
Photonic Products' new range of universal adaptor receptacle-packaged laser diodes accept FC, ST, SC and 2.5mm (x) ferrule connectors.
2005-03-31 Photonic laser diode modules offer TTL modulation input
Photonic's new laser diode modules are suitable for biomedical instrumentation, imaging, spectroscopy, fluorescence sensing, microscopy and other emerging technologies.
2002-10-22 Photonic circular beam laser diodes produce 4.4mW
Photonic Products Ltd. has introduced a range of 635nm circular beam laser diodes that produces output beams measuring 2.2mm (?).
2004-11-30 Photonic adds TTL modulation options to laser diode modules
Photonic Products announced that they have added TTL modulation options to it's Photon Module range of laser diode modules.
2002-10-09 Photon Tech laser operates from a 1.1V supply
The PT 3 series of FP laser modules operate from an input range of 1.1V to 1.5V.
2001-09-07 PCO-7110 laser diode driver module: Installation and operation notes
This application note details the installation and electrical I/O requirements for the PCO-7110 laser diode driver. It also contains information on the mechanical dimensions and provides detailed instructions for mounting and connecting the laser diode to the PCO-7110 driver.
2003-10-14 PCI laser diode module emits 20mW power
Power Technology Inc. has introduced a high power violet quality laser diode module that is suitable for high-end OEM instrumentation apps.
2009-02-03 Panelists push for laser diode foundry
Senior executives at the Photonics West concluded that the photonics component business needs to adopt a foundry model to deal with an over capacity in laser diode manufacturing.
2003-02-07 Osram semiconductor laser produces 8W output
Osram Opto Semiconductors GmbH has developed an optical pumped semiconductor disk laser that delivers an optical output power of 8W.
2007-01-31 Osram expands high-power laser product line
Osram Opto Semiconductors has unveiled its expanded range of HPL products that includes discrete power laser diodes, unmounted laser bars, as well as water-cooled vertical laser stacks and laser bars in standard packages.
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