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Ethernet's Impact on Optical Component Testing
The optical networking industry is redirecting its focus. Unlike the new-product development feeding frenzy of the 1990s, carriers and service providers now want to leverage their infrastructures and concentrate on cost-effective ways to deliver services profitably to end users -- the commercial and residential customers at the network edge, where bandwidth demand is insatiable because of Internet use and multimedia data-hungry applications. Redirection will require low-cost technologies,...
Photonics Spectra, February 2003
Functional Coatings Broaden Laser Applications
Coated surfaces have played an important role in commercial laser technology for about 30 years. However, it was not until recently that development and production of functional optics faced changes, including increases in reflection and...
Photonics Spectra, February 2003
Photonics Jobs: What to Expect in 2003
How quickly times change. A few years ago, market analysts were intoxicated with the flush of new wealth and declared the new economy unbounded by traditional rules of the market. These wizards of Wall Street informed us that we would have to adapt...
Photonics Spectra, February 2003
Piezoelectric Motors Control Set-and-Hold Semiconductor Applications
Motion control applications in the semiconductor manufacturing industry range from mask and wafer alignment to laser beam steering and active pointing stabilization. Because these applications are "set and hold," with position first optimized and...
Photonics Spectra, February 2003
Seeking a Silicon Laser
Silicon microphotonics has boomed in the last few years. Many silicon-based devices have been demonstrated: waveguides, tunable optical filters, fast switches, fast optical modulators, fast CMOS photodetectors, photonic crystals and...
Photonics Spectra, February 2003
3M Co.-Film and Light Management
Thin, high-performance UV-reflective filters from 3M are constructed from engineering-grade polymers and do not require a substrate. Based on the St. Paul, Minn., company's Multilayer Optical Film technology, the flexible filters are 20 to 50 µm...
Photonics Spectra, January 2003
3M Co.-Optical Components Program
The Pulse Compressor from 3M Co. of Austin, Texas, manages the chromatic dispersion that can limit transmission speeds in optical communications systems. Earlier solutions required the use of bulky modules with dispersion-compensating fiber, which...
Photonics Spectra, January 2003
Alcatel Optronics
The 1910 TWV eight-channel, wavelength-independent multiplexer from Alcatel Optronics, headquartered at Nozay, France, demonstrates the concept of integrated planar lightwave hybridization. It is designed to overcome the telecommunications challenge...
Photonics Spectra, January 2003
Applications Surge for High-Power LEDs
Until recently, LEDs were best-known as the ubiquitous indicator lights on computers, printers and other electronic equipment. Their small footprint, energy efficiency and long life have posed intriguing possibilities for other applications for many...
Photonics Spectra, January 2003
Calient Networks
The DiamondWave all-optical photonic switch offers 256 x 256 transparent switch capacity and GMPLS networking capability in a single package that is half the size of an industry-standard rack. Calient Networks of San Jose, Calif., designed the...
Photonics Spectra, January 2003
CMOS Challenges, What’s Next for CMOS Image Sensors?
The use of complementary metal oxide semiconductor (CMOS) fabrication processes to produce image sensor array chips was first demonstrated in the late 1980s. Since then, the goal of integrating all analog and digital imaging circuits on a single die...
Photonics Spectra, January 2003
Coherent Inc.
A hands-free, single-box, ultrafast Ti:sapphire laser from Coherent Inc. in Santa Clara, Calif., the Chameleon provides femtosecond-pulse tuning from 720 to greater than 930 nm. Developed primarily for multiphoton excitation microscopy, this...
Photonics Spectra, January 2003
Crystal Fibre A/S
Crystal Fibre designed its highly nonlinear photonic crystal fiber with zero-dispersion wavelength at 1.55 µm to facilitate the evolution from low-bit-rate electro-optical networks to high-bit-rate all-optical networks. The company, based in...
Photonics Spectra, January 2003
Eastman Kodak Co. - Image Sensor Solutions
Imaging applications are often limited by low light levels or by lengthy exposure times that inhibit throughput and efficiency. The KAF-3200ME full-frame sensor employs microlens technology that directs the light onto the most sensitive portion of...
Photonics Spectra, January 2003
Farfield Sensors Ltd.
The AnaLight Bio200 from Farfield Sensors Ltd. features patented sensing technology for real-time analysis of the structure, function and conformational changes of proteins. The Salford, UK, company says the device eliminates the ambiguities of...
Photonics Spectra, January 2003
FLIR Systems Inc.
The ThermaCAM E2 handheld infrared camera weighs just 1.5 lb and offers state-of-the-art thermal imaging, noncontact temperature measurement and in-field jpeg image storage. It is designed to detect electrical and mechanical faults, the leading...
Photonics Spectra, January 2003
Given Imaging Ltd.
A video camera in an ingestible capsule that measures only 11 x 26 mm, the M2A provides physicians with an accurate view of the small intestine, which is only one-third accessible with conventional endoscopy. The other components in the capsule...
Photonics Spectra, January 2003
Honeywell International-VCSEL Optical Products
The growth of gigabit optical networking relies on vertical-cavity surface-emitting lasers (VCSELs) for implementing parallel optical interfaces. Traditional manufacturing of VCSELs has suffered from high costs and lack of standard packaging. The...
Photonics Spectra, January 2003
IMRA America Inc.
The development of a "temporally tailored" laser source that produces a rectangular pulse shape with real-time tunable pulse duration between 4 and 20 ns at 20-kHz rates was made possible by combining three technical innovations: preshaped...
Photonics Spectra, January 2003
Lightbit Corp.
The BandXchange is a "pure optical" processor capable of all-optical wavelength band conversion, phase conjugation and spectral inversion with bit-rate and protocol transparency and negligible added noise. According to its developer, Lightbit Corp....
Photonics Spectra, January 2003
MPB Communications Inc.
The Super Raman Fiber Laser from Montreal-based MPB Communications Inc. is a pump source that provides distributed Raman amplification in transmission spans of telecommunications systems via third-order cascaded Raman pumping. Third-order cascaded...
Photonics Spectra, January 2003
OFS-Specialty Photonics Div.
The RightWave tunable dispersion-compensating module enables transmission systems to operate at ultrahigh data rates of 40 Gb/s. Its manufacturer, OFS, Specialty Photonics Div. of Somerset, N.J., says that the module eliminates the adverse effects...
Photonics Spectra, January 2003
Organic LEDs Get Brighter, Sharper
Organic light-emitting diodes are the hottest new display technology. Incredibly, it can often take 20 to 30 years to fully commercialize a display technology, but these devices are already ahead of the curve and poised to move into the next phase...
Photonics Spectra, January 2003
Point Source
The iFlex-2000 combines 405-nm laser diode technology with single-mode polarization-maintaining fiber to produce a pure Gaussian beam for high-resolution imaging applications. Many applications at this wavelength have been cost-prohibitive and...
Photonics Spectra, January 2003
Positive Light Inc.
Positive Light Inc. designed the Indigo-DUV all-solid-state 193-nm laser source to fill the need for an optical metrology tool for at-wavelength characterization of deep-UV optics and detectors. The device enables precision optical metrology and...
Photonics Spectra, January 2003
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