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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.
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2002-01-15 ADI laser diode drivers enable dual-loop capability for 3.3V apps
The ADN2847 and ADN2848 laser diode drivers extend dual-loop capability to 3.3V applications.
2002-01-22 ADI laser diode driver features dual-loop control for fiber-optic apps
The ADN2843 is a 10.7Gbps laser diode driver with dual-loop control for average power and extinction ratio.
2009-04-09 7W diode laser tailored for medical market
Modulight has developed a 7W 635nm conduction cooled diode laser bar for laser display, medical and illumination applications.
2013-10-21 3D memory improved via laser thermal anneal application
Laser thermal anneal application can enhance the current in vertical polysilicon channel devices for 3D memory, as demonstrated by Imec and Excico.
2002-04-02 'Parallel' migration to blue-laser DVD urged
A proposal put together by a Hollywood studio suggests that blue-laser-based high-definition DVD recorders will initially become available as VCR replacements only in the Japanese market.
2003-03-07 Zygo receives opto-mechanical orders from LLNL
Zygo Corp. has received an order for 94 units of opto-mechanical assemblies from Lawrence Livermore National Laboratory, which is managed by the University of California.
2003-01-07 Zygo receives extended contract from national lab
The Lawrence Livermore National Laboratory has extended its contract with Zygo Corp. on the supply of laser amplifier slabs, mirrors, and polarizers.
2003-03-24 Zia inks manufacturing agreement with Emcore
Zia Laser Inc., and Emcore Corp. have agreed upon a sublease and contract manufacturing arrangement for high volume epitaxial growth and laser diode processing.
2004-01-06 Zarlink diodes suit industrial measurement systems
Zarlink Semiconductor has unveiled the long-wavelength Fabry-Perot laser diodes that can be customized for surveillance systems.
2002-04-19 Xicor acquires analog design team for $15 million
To bolster its analog signal conditioning capabilities, Xicor Corp. has acquired the assets of Analog Integration Partners LLC, an engineering design team.
2002-07-12 Wuhan Telecommunication obtains TL9000 certification
Wuhan Telecommunication Devices Co. Ltd has received a TL9000 certification, becoming among the first manufacturers in China to obtain an international certification, the company says.
2016-03-23 WIN Semiconductors enters optical device market with foundry services
The company is adding optical device production capabilities to its portfolio, to provide large-scale manufacturing of complex laser and photodiode designs for 2.5G, 10G and 25G data rates.
2005-07-12 Vitesse solution enables deployment of IEEE-compliant GE-PONs
Vitesse Semiconductor unveiled its VSC7716 burst mode transimpedance amplifier and VSC7966 laser driver and limiting amplifier designed for Gigabit Ethernet passive optical networks.
2003-07-02 Vertilas diode chip emits light at 1,550nm
The VL-1550 series of uncooled VCSEL diode chips from Vertilas is designed for use in Gigabit Ethernet and CWDM transceiver modules.
2005-06-02 VCSEL with 12.5Gbps modulation
Panasonic announced the development of its 850nm AlGaAs/GaAs Vertical Cavity Surface Emitting Laser capable of high speed 12.5Gbps modulation at an operating current of 8mA
2005-01-07 VCSEL sub-assembly achieves 2.5Gbps data rate
Optek Technology has developed an 850nm VCSEL packaged in an FC style receptacle capable of data transmission rates up to 2.5Gbps.
2007-07-23 VCSEL driver consumes miniscule power
German startup Silicon Line has rolled out a chip that drives VCSEL for energy-efficient computing.
2001-05-30 Using RS-274X format
This application note describes the general differences between RS-274X format and other Gerber formats. It also explains the correct way of using the RS-274X format.
1999-12-01 Using in-line inspection to improve PCB assembly yields
Identifying defects in your process and improving product quality calls for a suitable pre-flow in-line component inspection system. While choosing a system, keep in mind your specific process needs, inspection accuracy and repeatibility requirements, and last but not the least, its robustness vis--vis actual operating conditions.
2010-11-22 Ultratech to inaugurate Singapore headquarters
Lithography and laser-processing systems Ultratech Inc. is set to open a new international headquarters in Singapore on December 6, 2010 to better serve its customer base in Asia.
2011-05-17 Ultratech Taiwan R&D center focuses on HB-LED tech
Ultratech announced the opening of its Asia Technology Center (ATC) in Taiwan that will provide leading-edge process development and in-depth demonstrations for the HB-LED manufacturing industry.
2010-10-26 Ultratech sells LSA tools to Asian foundry
"Top-tier" Asian foundry to use Ultratech annealing technology for 45nm production ramp
2003-06-27 Ultratech readies gear to fab sub-65nm chips
Ultratech said that it has optimized its laser thermal processing (LTP) technology to form junctions down in the 20nm technology node, and is now ready to enter the commercialization phase of its LTP program.
2010-12-08 Ultratech opens manufacturing facility in Singapore
Ultratech Inc. officially opened a manufacturing facility in Singapore. The plant is set to be capable of making over 100 lithography steppers yearly for the advanced packaging and the HB-LED markets.
2005-09-16 Ultrasensitive quantum lasers sniff toxins
A Georgia Tech researcher develops an ultrasensitive spectrometer using quantum cascade lasers, waveguides and detectors.
2002-05-22 UDC extends organic light deal with Princeton University, USC
Universal Display Corp., Princeton University, and the University of Southern California have expanded their collaborative research agreement on advanced organic thin film devices through 2007.
2003-02-14 UCF purchases Essex hyperfine WDM unit
Essex Corp. has sold one of its hyperfine WDM 16-channel, 6.25GHz mux/demux prototype to the University of Central Florida (UCF) School of Optics/CREOL.
2002-09-11 U.S. Air Force assigns Aculight for semiconductor R&D
Aculight Corp. has received an 18-month contract worth $2.3 million from the U.S. Air Force Research Laboratory to investigate its new semiconductor and fiber laser technologies.
2002-03-19 TRW demonstrates advanced EUV light source
A TRW Inc. division said Thursday (March 14) that it and Sandia National Laboratories have conducted a lithography demonstration using a extreme ultraviolet light source.
2009-05-26 Transformation optics improve invisibility cloak area
The pursuit of so-called invisibility cloaks has brought forth a new field called transformation optics that seeks to harness exotic metamaterials, nanophotonics and plasmonics to build super lenses for powerful microscopes.
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