Laser Focus World articles from August 2006

Laser Focus World archives from August 2006

A prize for metamaterials.(editor's desk)
August 1, 2006... Despite intense competition from World Cup soccer, business on the exhibit floor appeared brisk during most of June's Optatec show in Frankfurt, Germany. Organizers reported gains both in the number of firms represented at the event and in the...

Founder looks back as Coherent marks 40 years in business.(Letters)(Letter to the editor)
August 1, 2006... As Coherent celebrates its 40th anniversary this year, I'm prompted, as one of its founders, to recall some of the events that led to the company's birth. The genesis of Coherent Radiation Laboratories (now Coherent) can be traced to 1965, when...

Caltech group has demonstrated efficient single-photon emission.(Letters)(Letter to the editor)
August 1, 2006... We are writing in regard to the article "Its Hard to Get Just One Photon" by Jeff Hecht (June 2006, p. 69; www.laserfocusworld.com/articles/257230). First, thank you for featuring this important field of research in your magazine. Great strides...

Corrections.(Letters)(Correction notice)
August 1, 2006... The photo of the three-dimensional image cube that appeared on the cover and on p. 63 of the July issue was incorrectly credited. The image was from the Rochester Institute of Technology. In "Picosecond fiber laser targets pulsed laser...

Ionic-liquid solar cell boasts 7% efficiency.(newsbreaks)
August 1, 2006... As an alternative to conventional inorganic photovoltaics, dye-sensitized solar cells use an encapsulated nanoparticulate layer in conjunction with a nonvolatile highly conductive ionic liquid. Unfortunately, ionic liquids showing high...

W-type fiber suppresses Raman scattering.(newsbreaks)
August 1, 2006... For power scaling of pulsed fiber-laser systems, stimulated Raman scattering (SRS) continues to be a primary obstacle. Using short, large-core, low-numerical-aperture fibers reduces SRS, but the resulting multimode output has poor beam quality....

Carbon quantum dots rival semiconductor counterparts.(newsbreaks)
August 1, 2006... Known toxicity and potential environmental hazards associated with fluorescent semiconductor quantum dots have fueled the search for benign nanomaterials with similar properties. Recently, scientists at Clemson University (Clemson, SC) have...

3R optical regenerator improves bit-error ratio.(newsbreaks)
August 1, 2006... Researchers at the University of Sydney (Sydney, Australia) have demonstrated a reamplification, reshaping, and retiming (3R) optical regenerator architecture that can improve the bit-error ratio (BER) of a signal passing through it. Typical 2R...

Ion trap may eventually enable mass production of quantum computers.(newsbreaks)
August 1, 2006... Researchers at the National Institute of Standards and Technology (NIST; Boulder, CO) have designed and built an electromagnetic trap for ions that could potentially be mass-produced to make quantum computers large enough for practical use. It...

Dual-color superlattice thermal imager remotely senses carbon dioxide.(newsbreaks)
August 1, 2006... Bispectral mid-IR imaging detectors have capabilities that single-color versions don't, including absolute remote temperature measurement and a heightened ability to pick objects out from cluttered backgrounds based on spectral signatures....

Airborne Laser moves one step closer to operation.(newsbreaks)
August 1, 2006... An industry team led by Boeing (St. Louis, MO) and the U.S. Missile Defense Agency (Washington, D.C.) took a major step toward demonstrating the capability of the Airborne Laser (ABL) by successfully firing surrogate lasers from inside an...

Nine-aperture coherently combined telescope is diffraction-limited.(newsbreaks)
August 1, 2006... While an optical telescope can be made larger by scaling up the whole optical system, perhaps even using a segmented mirror, this rapidly leads to a very large and heavy telescope. Another approach, pursued by researchers at General Dynamics...

Laser polishes silica micro-optic components.(newsbreaks)
August 1, 2006... Although much research has been performed on the use of carbon-dioxide (C[O.sub.2]) lasers for polishing glass and fused-silica bulk optics, researchers in the Department of Physics at Heriot-Watt University (Edinburgh, England) have...

Colors bloom with subpixel rendering technique.(DISPLAY TECHNOLOGY)
August 1, 2006... Engineers at Clairvoyante (Cupertino, CA) are using a red/green/blue/white (RGBW) pixel architecture, dubbed "PenTile," and subpixel rendering to display scenes with more-natural luminance and chrominance than traditional RGB stripe techniques...

X-plate quartz enables large birefringent optics.(optoelectronics: world news)
August 1, 2006... Larger quartz optical waveplates are on the way, thanks to a newly developed quartz-culturing process that grows crystals in an optimum shape. Waveplates up to 150 mm in diameter can be cut from the crystals (see figure). The process, developed...

Fluorescence-correlation spectroscopy uses EMCCD detection.(SPECTROSCOPY)
August 1, 2006... A technique for the study of fluorescent molecules in transparent fluid media, fluorescence-correlation spectroscopy (FCS) evaluates the correlated fluctuations of laser-induced photons emitted from the molecules as they pass through a focal...

Meta 2006 highlights random, periodic optical metamaterials.
August 1, 2006... Photonic Metamaterials: from Random to Periodic (Meta; June 5-8, Grand Bahama Island, The Bahamas) brought together leading researchers in three areas of science and technology: photonics of random media, with its deep and challenging physics;...

Thin integral display switches from 2-D to 3-D.(3-D IMAGING)
August 1, 2006... Would a computer monitor or cell-phone display that instantly switches from ordinary 2-D to true 3-D attract the eye of the average consumer? Researchers at Seoul National University, with financial support from Samsung (both in Seoul, Korea),...

Polymer has strong electro-optic effect.(OPTICAL MATERIALS)
August 1, 2006... Electro-optic (E-O) devices are used in applications ranging from high-speed fiberoptic communications to radar and navigation. Organic E-O materials, which have high E-O coefficients in comparison to inorganics, are often essential to these...

Fuel-enrichment method garners GE contract.(LASER ISOTOPE SEPARATION)
August 1, 2006... A closely guarded technology developed in Australia for separation of isotopes by laser excitation (SILEX) appears to have cleared enough of the significant technological, economic, and political hurdles in the controversial field of...

InP-based quantum-cascade detectors target the mid-IR.(PHOTODETECTORS)
August 1, 2006... With wide-ranging potential applications in sensing, security, and defense, semiconductor-based mid-IR detector types include quantum-well IR photo-detectors (QWIPs), photovoltaic QWIPs, mercury cadmium telluride detectors, and silicon...

Laser lure has twinkling appeal.(CONSUMER PHOTONICS)
August 1, 2006... As president of Laser Product Safety (Cary, NC) and an expert delegate for laser, light-emitting-diode, UV, and IR safety on the U.S. Technical Advisory Group Committee (Washington, D.C.), Ken Puckett has seen and tested laser hardware of all...

Monolithic single-frequency Yb:YAG laser emits 1 W at 1.03 [micro]m.(SOLID-STATE LASERS)
August 1, 2006... The high stability of a single-frequency laser system depends on the mechanical and optical stability of its oscillator. Back in 1985, Thomas Kane and Robert Byer of Stanford University (Palo Alto, CA) invented a diode-pumped monolithic...

New scanner may prevent unauthorized digital photography.(COUNTER SURVEILLANCE)
August 1, 2006... Soon, people who want to take photos surreptitiously may have to go back to using 35 mm film. Students under the direction of Gregory Abowd, an associate professor in the College of Computing at the Georgia Institute of Technology (Atlanta,...

CMOS camera makes 2-D OCT images possible without scanning.(OPTICAL-COHERENCE TOMOGRAPHY)
August 1, 2006... Using an ultra-high-speed CMOS camera, researchers at Yamagata University (Yamagata, Japan) can acquire 2-D images of human tissue with a technique they call axial-lateral parallel time-domain optical-coherence tomography (OCT). (1) A sample...

Holographic portrait captures image of the last survivor of the Battle of Jutland.(HOLOGRAPHY)
August 1, 2006... Britain's oldest man, Henry Allingham, has received an unusual honor. He was invited to sit for a holographic portrait, which was unveiled by the Duchess of Gloucester to mark his 110th birthday. Holographic artist and portrait specialist...

LED-lit woven optical fiber takes on innovative applications.(FIBEROPTIC ILLUMINATION)
August 1, 2006... While the usual purpose of optical fiber is to guide light along a longitudinal axis, Lumitex (Strongsville, OH) is exploiting advantages to be obtained by defeating that purpose, for instance in creating optically interactive apparel for...

Unaxis Optics invests in Novalux.(laser: industry report)
August 1, 2006... An established leader in color-management systems for major microdisplay technologies, Unaxis Optics (Balzers, Liechtenstein) acquired a strategic stake in Novalux (Sunnyvale, CA) as part of a $21.7 million financing round. In addition, Novalux...

GM invests in laser welding.(laser: industry report)
August 1, 2006... Noble International (Warren, MI) entered into an advanced development agreement with General Motors (GM) related to laser welding of body structures for future vehicle programs. Under terms of the agreement, Noble will work with GM to design...

Laser missile-seeker test completed,.(laser: industry report)
August 1, 2006... Raytheon successfully flight-tested its Mid Range Munition Chemical Energy guided projectile with semi-active laser seeker (SAL) at the U.S. Army's Proving Grounds in Yuma, AZ. The round was fired from an M1A2 SEP (System Enhancement Program)...

Five firms win DOE solid-state-lighting funds.(laser: industry report)
August 1, 2006... The U.S. Department of Energy (Washington, D.C.) will provide $7 million for solid-state-lighting product development to five U.S. companies: Color Kinetics (Boston, MA), Eastman Kodak (Rochester, NY), General Electric Global Research...

Veeco/KOPTI collaborate on solid-state lighting.(laser: industry report)
August 1, 2006... The Korea Photonics Technology Institute (KOPTI; Gwangju, South Korea), dedicated to technology development in photonic semiconductor epitaxial overgrowth for high-clarity LED and photonic communications, and Veeco Instruments (Woodbury, NY),...

Laser manufacturers Koheras (Birkeroed, Denmark) and LG-Laser Technologies (Kleinostheim, Germany) are moving closer.(Also in the news ...)
August 1, 2006... Laser manufacturers Koheras (Birkeroed, Denmark) and LG-Laser Technologies (Kleinostheim, Germany) are moving closer: LG-Laser Technologies has changed its name to Kohera.

Lighting developer LSI Industries (Cincinnati, OH) has acquired substantially all the assets of LED maker SACO Technologies.(Also in the news ...)
August 1, 2006... Lighting developer LSI Industries (Cincinnati, OH) has acquired substantially all the assets of LED maker SACO Technologies (Montreal, QC Canada).

Optech (Toronto, ON, Canada), a manufacturer of laser-based survey instruments, sold an ALTM 3100EA Airborne Laser Mapping System.(Also in the news ...)
August 1, 2006... Optech (Toronto, ON, Canada), a manufacturer of laser-based survey instruments, sold an ALTM 3100EA Airborne Laser Mapping System to Terrapoint Canada (Ottawa, ON, Canada).

Daylight Solutions.(Also in the news ...)
August 1, 2006... Daylight Solutions (Poway, CA), manufacturer of miniaturized molecular detection and imaging devices based on its broadly tunable mid-IR lasers, closed $7.5 million in Series A financing.

Universal Laser Systems.(Also in the news ...)
August 1, 2006... Universal Laser Systems (Scottsdale, AZ) was awarded U.S. Patent 7,060,934 for its High Power Density Focusing Optics (HPDFO) that increases the power density of a C[O.sub.2] laser beam.

Laser optics contract awarded to Zygo.(optics: industry report)
August 1, 2006... Zygo (Middlefield, CT) received another production contract award for its Laser Fusion Program. The initial order--valued at approximately $1 million--is scheduled for shipment in fiscal year 2007. The agreement further provides for optional...

Metamaterials take Carl Zeiss Research Award.(optics: industry report)
August 1, 2006... Martin Wegener and Kurt Busch are being honored with the Carl Zeiss Research Award 2006. The two scientists from the University of Karlsruhe (Karlsruhe, Germany) have added decisive momentum to the fields of three-dimensional (3-D) photonic...

G-S Plastic Optics opens coating facility.(optics: industry report)
August 1, 2006... The establishment of an in-house coating facility was announced by G-S Plastic Optics (Rochester, NY). The company integrated a precision optical coating system, built by Vacuum Process Technology (VPT; Plymouth, MA), that enables coating...

Cabot gains precision optics expertise.(optics: industry report)
August 1, 2006... A primary supplier of chemical mechanical planarization polishing slurries to the semiconductor industry, Cabot Microelectronics (Aurora, IL) has entered into agreements to purchase substantially all of the assets of QED Technologies...

$5.5 million goes to NIMs research.(optics: industry report)
August 1, 2006... Kent State University (Kent, OH) researchers are leading a team of scientists from eight institutions that were awarded a $5.5 million Multidisciplinary University Research Initiative from the U.S. Air Force Office of Scientific Research to...

LCD maker grows China presence.(optics: industry report)
August 1, 2006... DuPont Displays (Torrance, CA) has begun construction on a second production line for liquid-crystal-display (LCD) direct bonding in Shenzhen, China. DuPont's direct bonding technology consists of bonding an antireflective glass or filter...

The acquisition and integration of Unique-Mode, a 15-person company specializing in micro-optics for diode lasers.(Also in the news ...)
August 1, 2006... The acquisition and integration of Unique-Mode, a 15-person company specializing in micro-optics for diode lasers, into the Jenoptik Group (Jena, Germany) has been completed--it will now operate under the name Jenoptik unique-mode.

Tianwei Jing, research and development manager for Agilent Technologies' (Palo Alto, CA) atomic-force-microscope business received the Arizona Bioscience Executive of the Year award.(Also in the news ...)
August 1, 2006... Tianwei Jing, research and development manager for Agilent Technologies' (Palo Alto, CA) atomic-force-microscope business received the Arizona Bioscience Executive of the Year award from the Arizona BioIndustry Association

Structured Materials Industries.(Also in the news ...)
August 1, 2006... Structured Materials Industries (SMI: Piscataway, NJ), a provider of metal-organic chemical-vapor-deposition (MOCVD) systems and components, has doubled the size of its Piscataway headquarters.

Scientific Technologies (STI; Fremont, CA) agreed to sell its Safety Products Group (SPG).(Also in the news ...)
August 1, 2006... Scientific Technologies (STI; Fremont, CA) agreed to sell its Safety Products Group (SPG)--which includes the Optical Sensor Division (OSD)--to Omron (Kyoto, Japan) through a corporate merger.

Edmund Optics.(Also in the news ...)
August 1, 2006... The Singapore manufacturing facility of Edmund Optics (Barrington, NJ) attained ISO 9001:2000 certification.

$100 million takes Nanosolar to mass production.(imaging & detector: industry report)
August 1, 2006... Nanosolar (Palo Alto, CA), a solar-cell manufacturer that uses proprietary nanoparticle ink and fast roll-printing technology, announced that it now has $100 million in funding to take its photovoltaic (PV) solar-electricity technology into...

ESA selects Sofradir to develop detector.(imaging & detector: industry report)
August 1, 2006... Sofradir (Grenoble, France), a developer and manufacturer of advanced infrared (IR) detectors for military, space, and industrial applications, was selected by the European Space Agency (ESA) to develop a near-IR detector for the Visible...

DALSA breaks CCD pixel barrier.(imaging & detector: industry report)
August 1, 2006... Imaging electronics company DALSA Semiconductor, a division of DALSA (Waterloo, ON, Canada), successfully fabricated and delivered the world's highest resolution image-sensor chip to its customer, Semiconductor Technology Associates (STA; San...

Isonics Invests in 'people-screening' imager.(imaging & detector: industry report)
August 1, 2006... The Homeland Security and Defense Corporation subsidiary of Isonics (HSDC; Columbia, MD) is investing in noninvasive thermal-imaging technology for people screening. Isonics has entered into a definitive agreement with privately held ISCON...

Camera and sensor manufacturers combine.(imaging & detector: industry report)
August 1, 2006... Cantronic (Vancouver, BC, Canada), an IR camera manufacturer, and QWIP Systems (Edmonton, AB, Canada), a detector and sensor manufacturer, will consolidate under the name Cantronic Systems ("New Cantronic"). Upon completion of the amalgamation,...

Applied Vision.(Also in the news ...)
August 1, 2006... Machine-vision supplier Applied Vision (Akron, OH) opened a service and support center in Malaysia and a direct-sales office in Singapore to support its growing customer base in Southeast Asia.

Cognex (Natick, MA), supplier of machine-vision systems, has entered into an agreement with MultiPix Imaging.(Also in the news ...)
August 1, 2006... Cognex (Natick, MA), supplier of machine-vision systems, has entered into an agreement with MultiPix Imaging (Hampshire, England) whereby MultiPix will become an Automation Solution Provider (ASP) for Cognex's range of Vision Sensor products.

QinetiQ.(Also in the news ...)
August 1, 2006... Clarks Shoes is preparing to install 3-D foot gauges in a number of its leading stores following the award of a $8.5 million contract to QinetiQ (Farnborough, England) for its foot gauge system, which uses six 3-D camera systems.

Adept Technology.(Also in the news ...)
August 1, 2006... Robotics and vision supplier Adept Technology (Livermore, CA) completed the sale of 731,251 shares of its common stock to Crosslink Capital for $10 million and plans to use the proceeds for general corporate purposes and to fund growth...

NeoPhotonics acquires LightConnect, OpTun.(fiberoptics: industry report)
August 1, 2006... NeoPhotonics (San Jose, CA), supplier of fiberoptic component and module solutions for broadband networks, acquired LightConnect (Newark, CA) and OpTun (Santa Clara, CA). LightConnect is a manufacturer of microelectromechanical systems...

Level 3 Communications grows metro services.(fiberoptics: industry report)
August 1, 2006... A provider of Internet connectivity for millions of subscribers through its comprehensive broadband fiberoptic network, Level 3 Communications (Broomfield, CO) signed a definitive agreement to acquire Looking Glass Networks (Oak Brook, IL)....

Luminent acquires transceiver manufacturer.(fiberoptics: industry report)
August 1, 2006... A wholly owned subsidiary of MRV Communications, Luminent (Chatsworth, CA) has agreed to acquire HG Genuine Opto (Wuhan, China), a subsidiary of Huagong Tech Company Limited (HG Tech). HG Genuine Opto is the second largest fiberoptic...

EXFO grows earnings, wins awards.(fiberoptics: industry report)
August 1, 2006... For its third of fiscal 2006, communications test-equipment provider EXFO Electro-Optical Engineering (Quebec City, QC, Canada) reported significant increases in sales, bookings, and net earnings. Sales increased 35.3% to $35.4 million in the...

ANDA Networks.(Also in the news ...)
August 1, 2006... ANDA Networks (Sunnyvale, CA), a provider of carrier-class Ethernet solutions for fiber- and copper-based access networks, closed an additional $10.5 million round of equity funding to support new international customer Ethernet deployments.

NuSil Technology.(Also in the news ...)
August 1, 2006... NuSil Technology (Carpinteria, CA) opened a technical support office in Penang, Malaysia to help its Asian customers with its Lightspan products for optoelectronics packaging.

OFS (Norcross, GA), a data, voice, wireless, and Internet service provider, received one of 49 supplier recognition awards from AT&T.(Also in the news ...)
August 1, 2006... OFS (Norcross, GA), a data, voice, wireless, and Internet service provider, received one of 49 supplier recognition awards from AT&T for its work in helping AT&T deliver outstanding service to its customers during the past year.

Tapping cyberspace to educate our youth.(working the web)
August 1, 2006... A few years ago, I had a disturbing conversation with my physics professor at San Diego State University (SDSU; San Diego, CA)--he said he was disappointed because, over the years, he was seeing enrollment in physics and the number of graduates...

Battle heats up between bars and single-emitter diodes.(market watch)
August 1, 2006... Two powerful and versatile lasers, the fiber laser and the thin-disk laser, are threatening to upset the industrial-laser market. A large part of the cost of these lasers is in the diode lasers used to pump them, single-emitters and bars,...

Made in India--for India: home-grown camera makers and system integrators are finding new markets.(inside imaging)
August 1, 2006... For the past few years the economy of India has been developing at an increasingly rapid pace. From 2002 to 2006, it grew at 7.5% a year, positioning the country as the fourth largest economy in the world, just behind Japan. The model for its...

Why won't my customers buy an entire system?(business forum)
August 1, 2006... Q: Several aerospace companies are very interested in licensing a nondestructive testing system we developed on government contracts. They plan to incorporate the sensors in their products. I am running into resistance with my customers when I...

[TEM.sub.00] CW green laser source is a powerful tool.(SOLID-STATE LASERS)
August 1, 2006... High-power visible-light-emitting lasers with near-ideal beam quality have applications in materials processing, including in the microelectronics industry. For these uses, we have developed a true continuous-wave (CW) laser based on...

Technological advances brighten horizons for organic nonlinear optics.(NONLINEAR OPTICS)
August 1, 2006... Organic nonlinear materials have been extensively studied over the last two decades and dramatic progress in this area has taken place during the last four years. (1-4) Recent advances in organic nonlinear optical (NLO) materials,...

Near-IR APDS expand photon-counting applications.(AVALANCHE PHOTODIODES)
August 1, 2006... Although photon counting is a common technique at optical wavelengths shorter than 1 [micro]m, it is not widely used at longer wavelengths. Among the applications that can benefit from photon-counting techniques in the 1 to 2 [micro]m...

A proliferation of petawatt lasers: ultrashort high-energy pulses can be focused down to produce tremendous power densities, and the hottest, densest matter we know how to make in the laboratory.(PHOTONIC FRONTIERS: PETAWATT LASERS)
August 1, 2006... Squeezing energetic laser pulses down to ultra-short durations can generate tremendous peak powers. A decade ago the Lawrence Livermore National Laboratory (LLNL; Livermore, CA) blazed the trail by modifying one arm of its Nova fusion laser to...

Intelligent video makes real-time surveillance a reality: even analog systems are benefiting from new algorithms that enable the detection of unwanted events as they happen rather than after the fact.(OPTOELECTRONIC APPLICATIONS: DEFENSE & SECURITY)
August 1, 2006... For years, security guards in movies and on television have often been portrayed as bumbling fools or sleepy senior citizens. Truth is, sitting in front of a bank of video monitors for hours at a time is a mind-numbing job, rife with...

Baffle tubes serve as alternatives to integrating spheres.(INTEGRATING SPHERES)
August 1, 2006... Integrating spheres have many applications in the collection and generation of light energy. A properly constructed sphere with an output port is an excellent way to generate uniform light, with the port behaving much like an isotropically...

Smart cameras preserve speed and accuracy.(HIGH-SPEED CAMERAS)
August 1, 2006... High-speed imaging using CCD or CMOS cameras enables spatial and spectral measurements that were not possible until recently. However, high speed also imposes severe burdens on the supporting electronics in terms of memory, digital interface,...

Cold light sharpens machine vision.(FIBEROPTIC ILLUMINATION)
August 1, 2006... In the industrial arena, the bulk of fiberoptic-illumination design work is custom. Most manufacturing lines are unique, according to Rob Robbins, machine-vision sales manager for the fiberoptics division at Schott North America (Auburn, NY),...

Spectrophotometer.(new products)
August 1, 2006... The OMA-405 rack-mounted process analyzer is a UV VIS diode-array process spectrometer. The instrument fits a standard 19 in. rack and is functionally identical to the wall-mounted OMA-300. The analyzer contains no moving parts and is designed...

UV LED array.(new products)
August 1, 2006... The OTLH-0480 UV is a 365 nm UV LED array that has been added to the Shark product line. It uses a 50 die in a TO-66 package and produces 150 mW of optical power. Applications include fluorescence excitation or absorption, document validation,...

OEM modules.(new products)
August 1, 2006... Compact OEM modules include a high-speed IR detector and a miniature preamplifier. Features include a bandwidth of up to 250 MHz, a detector bias option and a high signal-to-noise ratio. The preamplifier is optimized for TE cooled IR detectors...

Calibrated light source.(new products)
August 1, 2006... The Gamma Scientific RS-5B calibrated light source is made from several LED channels; each calibrated in color and brightness. The brightness is tunable over a 16-bit dynamic range, with [+ or -] 1-bit accuracy. It has an RS232 computer...

Piezo controller.(new products)
August 1, 2006... The E-625 nanopositioning controller was specifically designed to drive the PIFOC family of piezoelectric z-stack nanopositioning drives. The controller provides better than 1 nm resolution and achieves a response/settling times on the order of...

Smart camera.(new products)
August 1, 2006... The VC4068 smart camera contains a 400 MHz processor from Texas Instruments, a 1/2 in. CCD sensor with a resolution of 1280 x 1024 pixels, a 4 MByte Flash EPROM for data storage, and 32 MByte SDRAM for picture storage. It can be triggered...

Recirculating chiller platform.(new products)
August 1, 2006... The NESLAB ThermaFlex recirculating chiller platform has air and fluid filters that can be changed while the unit is operating, resulting in no downtime. A patented recirculation system includes an integrated funnel, full flow filtration and...

Silicon avalanche photodiodes.(new products)
August 1, 2006... In-house manufactured silicon avalanche photodiodes (APDs) are based on a proprietary semiconductor structure. Epitaxy and reach-through Si-APDs have an active area of 230 and 500 [micro]m. The APDs are manufactured on 4 in. wafers, delivered...