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Photonics Media

Photonics Spectra: June 2003

Photonics Spectra
June 2003

FEATURES

Simulation Tools Streamline Photonic Component Manufacturing

Photonic component manufacturers have to meet the challenges of a commodity-market price structure on products that until recently required a laboratory-type manufacturing environment. As a result,...

Violet and Blue Laser Diodes Make Strides

Short-wavelength lasers in the violet and blue spectral range are playing an important role in optical data storage and are receiving much attention in research centers around the world. In 1998,...

Picturing the Perfect CMOS?

With larger pixel sizes, improved noise reduction, bigger arrays and other techniques, vendors are producing CMOS sensors that rival CCDs. They offer lower power consumption, greater readout speed,...

Holographic Data Storage: When Will It Happen?

Headlines in Photonics Spectra over the past few years have included: “New Promise for Holographic Storage,” “Holographic Storage Takes a Step Toward Viability” and “Low-Power, Time-Domain Holography...

Optimizing Vision Systems with Specialized Lighting

Automated machine vision systems are increasingly being used to perform inspection and identification tasks during production. They are more consistent and faster than humans, and only automated...

Perfect Mirrors Extend Hollow-Core Fiber Applications

Photonic bandgap fibers have been the subject of active research for several years. One result reaching commercialization is omniguide fiber, a low-loss waveguide that can transport light of almost...

CO2 Lasers Make the Cut

With system revenues well above $2 billion last year, laser cutting remains the major industrial market for high-power laser sources. In fact, advances in machine dynamics and beam delivery systems...

Violet Lasers Begin Mass Production in Japan

Nichia and Sony recently announced an agreement for mass production of blue-violet laser diodes for use in optical disc recording and playback. Violet laser development is not new at Nichia Corp. of...

TECH PULSE

Laser Spike Welding Enables New Materials and Designs

Researchers from Philips Electronics Neder-land BV in Eindhoven and the University of Groningen, both in the Netherlands, have developed a laser welding technique that promises lightweight components...

Light Scattering Technique Detects Pathogenic Aerosols

The threat of bioterrorism has inspired much research into optical techniques that can detect pathogenic aerosols in real time. Now a team of scientists from Yale University in New Haven, Conn., and...

Nanowire Combs Lase in UV

Researchers at the University of California, Berkeley, have produced novel comblike arrays of zinc-oxide nanowires that produce ultraviolet laser radiation when optically stimulated. If they could be...

Quantum-Dot Composite LED Emits in IR

An electroluminescent composite that features quantum dots suspended in a semiconducting polymer promises to ease the development of advanced optical sources for applications such as...

Embedded Mirrors Improve Fiber Pumping

A new approach for injecting radiation into double-clad fiber promises significant advantages in the production and performance of fiber lasers and amplifiers. Developed at the Naval Research...

Fiber Optic Sensor Measures Submicroampere Currents Wuu-Wen Lin of Yung Ta Institute of Technology & Commerce in Linluo, Taiwan, has developed a fiber optic sensor that can measure submicroampere currents. A report of the device appeared in the...

Electron Beam Lithography Produces Microlenses in Hybrid Sol-Gel In the April 21 issue of Optics Express, scientists at Singapore's Nanyang Technological University discuss the use of a hybrid sol-gel glass to fabricate refractive microlenses with electron beam...

Laser-Heated Diamond Cell Exposes Stability at Earth's Mantle

Using a laser heating system, a team of scientists at Carnegie Institution of Washington and at the University of Chicago has determined that the rock salt structure of magnesiowüstite is stable at...

Blue Polymers Live Longer

Unlike liquid crystal devices, light-emitting polymer displays require no backlight, which could ultimately lead to more efficient, thinner, lighter-weight displays. Images also are reportedly of...

Tunable Fiber Source Produces 30-nJ Pulses Researchers at Tampere University of Technology's Optoelectronics Research Centre in Tampere, Finland, have achieved 30-nJ pulse energies from an Yb-doped core-pumped fiber laser and a...

Yb-Doped Ceramic Laser Achieves 0.75 W A diode-pumped Yb:Y2O3 ceramic laser developed by scientists at the University of Electro-Communication in Tokyo, Nanyang Technological University in Singapore, Konoshima Chemical Co. Ltd. in Takuma,...

Prototype of MEMS-Based 320 x 240 Uncooled IR Detector Demonstrated

Using an array of heat-sensitive microscopic cantilever elements on its surface, a new MEMS-based detector, developed by Sarcon Microsystems of Knoxville, Tenn., and Sarnoff Corp. of Princeton, N.J.,...

Micromirror System Facilitates Dynamic 3-D Holographic Imaging Scientists at the University of Texas Southwestern Medical Center at Dallas have constructed a proof-of-concept system that projects true dynamic holographic images by computing the hologram of...

Quantum-Dot Photodetector Takes the Heat A quantum-dot IR photodetector with detection ability from 6.7 to 11.5 µm that can operate at temperatures of up to 260 K was demonstrated by researchers at the University of Florida in Gainesville...

LIGHT SPEED

MOEMS Consortium Chooses Foundry

The MOEMS manufacturing consortium recently announced that it has chosen Corning IntelliSense Corp. of Wilmington, Mass., to manufacture micro-optoelectromechanical systems (MOEMS). The consortium is...

Biophotonics Center Goes Interdisciplinary

In its 1998 report Harnessing Light: Optical Science and Engineering for the 21st Century, the National Research Council recommended that the National Science Foundation "increase its efforts in...

Sumitomo Mass-Produces GaN Substrate Although confusion remains over whether Blu-ray or the Advanced Optical disc format offers the better standard for next-generation high-capacity optical disc equipment, this isn't an issue for...

GSI Lumonics Acquisitions Expand Laser and Encoder Lines Perhaps one of the few photonics companies in a strong cash position at the moment, GSI Lumonics has announced the acquisition of the principal assets of both Spectron Laser Systems in Rugby, UK, and...

Companies Contract for Defense Project Fiberstars Inc. of Fremont, Calif., and APL Engineered Materials Inc. of Urbana, Ill., have received $2.7 million in funding from the Defense Advanced Research Projects Agency to develop an arc...

Coherent to Buy Outstanding Shares of Lambda Physik Coherent Inc. of Santa Clara, Calif., the majority shareholder in Lambda Physik AG since 1981, has tendered an offer for the remaining outstanding shares. According to Peter Schuman, director of...

Acton Research Builds Optics Facility Acton Research Corp. has completed work on its new facility at 15 Discovery Way in Acton, Mass. The site, which features a Class 10,000 cleanroom, will house the company's optical coating and...

Corning Contract for Optical Systems Is Renewed Corning Diamond Turning Div. of Keene, N.H., has received its third contract upgrade from DRS Optronics of Palm Bay, Fla., for the supply of optical assemblies used in the Long Range Advanced...

Raytheon to Develop Optical Synthetic Imager For the purpose of designing and demonstrating the synthetic aperture ladar tactical imager, Raytheon Co.'s Space and Airborne Systems, based in El Segundo, Calif., was awarded an $8 million...

Indigo Purchases Software Company Indigo Systems of Goleta, Calif., has acquired the Applied Technology Div. of Control Systems Research Inc., based in Crestview, Fla. Engineers in the division, renamed Indigo Advanced Systems (IAS),...

ACCENT ON APPLICATIONS

Lasers Assist the Blind

A Pennsylvania inventor has developed a laser-based device that surpasses the traditional canes used by the blind to feel their way through the world. Nazir A. Ali, president and founder of...

Holography Offers Eye-Safe IR Networking

The wireless home and office are upon us, with computers and peripheral components connected by streams of microwaves. However, interference problems and the potential for hackers to intercept these...

Spectra of Leaves Is Tied to Development of Primate Vision

The origin of the human eye has long been a bone of contention between evolutionists and their detractors. How, ask the latter, could such a sophisticated organ have developed by chance? But...

Laser Scanner Reverse-Engineers Automotive Panels

Aftermarket automotive manufacturers usually must visit automaker facilities to preview new automobile models. They often are given just a couple of hours to take enough measurements to ensure that...

PRESSTIME BULLETIN

Single Nanotubes Yield IR Radiation Researchers at the IBM Thomas J. Watson Research Center in Yorktown Heights, N.Y., have reported the emission of electrically driven polarized infrared radiation from ambipolar field-effect...

Low-Temperature-Grown GaAs LED Emits at 1550 nm By introducing arsenic antisite deep levels into a GaAs lattice, researchers at Yale University in New Haven, Conn., have coaxed telecom-friendly 1550-nm radiation from a GaAs LED. The work promises...

PRODUCTS

LIQUID CRYSTAL POLARIMETER Meadowlark Optics' LCPM-3000 liquid crystal polarimeter is suitable for measuring optical retardance and activity and for materials characterization, optics alignment, ellipsometry and general research. It can be used as a free-space benchtop polarimeter or with a fiber optic input. The computer-controlled system includes PolarView 3000 software, which offers various tabular and graphical...

Meadowlark Optics Inc.

SPECTROMETER The MPA FT-NIR spectrometer from Bruker Optics Inc. can be used for up to four measurement techniques. The modular system includes a sample compartment, a fiber optic probe, an integrating sphere and...

Bruker Optics Inc.

OPTICAL OSCILLOSCOPE MODULES Tektronix Inc. offers optical sampling oscilloscope modules for use with its CSA8000 series communications signal analyzers. Designed for 10 Gigabit Ethernet applications, the 80C08C and 80C11 have a...

CUSTOMIZED FIBER Manufacturing automation technology and design capabilities for on-demand production of custom fiber pigtails, fiber assemblies and connectors are offered by kSaria Corp. The company says that its...

kSARIA Interconnect

FIBER OPTIC PROBE A filtered fiber optic probe from Kaiser Optical Systems Inc. is designed for use with small-scale glassware and reactors used in drug discovery, early process development and biomedical...

Endress+Hauser Optical Analysis Inc.

FIBER DEPOLARIZERS High-performance all-fiber Lyot depolarizers have been released by Phoenix Photonics Ltd. The passive devices provide <5% degree of polarization, <1-dB insertion loss, no backreflection and a...

Phoenix Photonics Ltd.

NONLINEAR FIBER Fiberlogix Ltd. offers nonlinear fiber for fiber sensor and laser manufacturers. The company says it uses a proprietary manufacturing process and a state-of-the art production facility to provide...

FiberLogix International Ltd.

CWDM MODULE Alliance Fiber Optic Products Inc. has introduced a compact coarse WDM module with 20-nm channel spacing. The company says the SpectraMux provides high center-wavelength accuracy and stability, low...

Alliance Fiber Optic Products Inc.

PROGRESSIVE-SCAN CAMERA Vision Components GmbH has launched the VC2048/E progressive-scan smart camera, which acquires full-frame 640 x 480-pixel images at 110 fps. It offers real-time image processing and is equipped with...

Vision Components GmbH

DIGITAL CAMERAS The PL-A650 and -A660 series digital cameras feature Kodak's ½-in., 1.3-megapixel sensors with 1280 x 1024-pixel arrays and square 6-µm pixels. Available from PixeLink in color and...

CCD CAMERA Spiricon's STC-700-1550 CCD camera has a 2/3-in. format, offering a 90% larger area than the ½-in.-format SP-1550M. The 1550-nm camera has a phosphor coating that converts NIR telecom...

MKS Ophir, Light & Measurement

FTIR IMAGING The FastImageIR can acquire a data cube of 4096 full-range IR spectra at 8 cm-1 in <10 s. This FTIR spectrochemical imaging system from Digilab includes the UMA 600 microscope for imaging and...

ADHESIVE DISPENSING The LB series syringe reservoirs from EFD Inc. block wavelengths between 240 and 550 nm. The translucent reservoirs can be used with standard air-powered dispensing systems and are designed to...

POLYMER SYSTEM A one-component UV-curable polymer system for bonding, sealing and coating is available from Master Bond Inc. UV15-7 contains no solvents and is suitable for use in temperatures ranging from 60...

Master Bond Inc.

TEMPERATURE CONTROL The LDT-5900 series precision temperature controllers can be used with laser diodes and photonic devices in low- and high-power applications. Available from ILX Lightwave Corp., the devices feature...

Newport - ILX Lightwave, Photonics

BANDPASS FILTERS Ocean Optics Inc. introduces linear variable filters for use in fluorescence and other spectroscopy applications. The LVF series high- and low-pass and adjustable-bandwidth filters are coated on 57 x...

UV/VIS CURING Exfo Electro-Optical Engineering Inc. offers a UV/VIS adhesive spot-curing system for manual precision assembly. The Exfo Lite system has an iris adjustment feature that allows users to select...

LASER CAPACITORS The EPSR series ceramic capacitors from High Energy Corp. provide up to 3000 pF capacitance for one 50-kV pulse unit. The devices are suitable for use in medical lasers, laser marking equipment,...

High Energy Corp.

FIBER LASER NP Photonics' Scorpion SMPF-2030 erbium microfiber laser module produces 100 mW and operates in the C-band from 1530 to 1560 nm. This device measures 168 x 70 x 19 mm and has a linewidth <3 kHz....

NP Photonics Inc.

VIOLET LASERS Coherent Inc. has introduced its Vioflame violet lasers. Available in four models with output powers from 4 to 30 mW, the 408-nm lasers are suitable for applications such as cytometry,...

LASER ABLATION SYSTEM The LSX-3000 Nexuss 193-nm laser ablation system from Cetac Technologies is suitable for use with ICP and ICP-MS systems. The 193-nm instrument features a solid-state Nd:YAG laser, eliminating the...

Teledyne CETAC Technologies

LASER DIODE DRIVERS Komlas Optical Components and Laser Systems GmbH has introduced the DSc series power supplies. Suitable for use with broad-area laser diodes with integrated Peltier levels, the current-stabilized...

LASER WELDING The CPL4000 system from CanLas Laser Processing GmbH enables microwelding with a spot diameter of 50 µm. The system can be used to weld semiconductors and metals such as steel, platinum, gold,...

Canlas Laser Processing GmbH

LASER DIODE SOURCES Laser diode sources that provide stable output directly or via fiber optic cable are offered by Oz Optics Ltd. The light sources are available at wavelengths from 400 to 1625 nm and with output up to...

OZ Optics Limited

DIODE-PUMPED LASER Amplitude Systemes' T-Pulse diode-pumped femtosecond laser is available from Pro-Lite Technology LLP. The laser provides an average output of >1 W at 1030 nm with <200-fs pulses oscillating at...

Pro-Lite Technology Ltd.

TUNABLE LASER The RSL-500 tunable laser from Santec Corp. features an external cavity design that provides a signal-to-noise ratio >60 dB, wavelength accuracy <3 pm and output power >10 mW over a 100-nm...

Santec USA Corp.

POWER PROBE LaserPoint's Cronos automatic laser power probe is available from Directed Light Inc. The device calculates laser power using microprocessor-based measurement of temperature dynamics. It provides...

Directed Light Inc.

COMPACT LED A high-performance LED in a compact package is available from Osram Opto Semiconductors Inc. Named the Golden Dragon, it can be used in reverse lamps for vehicles, in traffic signal lighting and in...

Osram Opto Semiconductors Inc.

UV INSPECTION LAMP The Spectroline AP-800 UltraWand UV inspection lamp can be used to check areas that are inaccessible to conventional lamps. This 8-W lamp from Spectronics Corp. is 1 in. in diameter and 30 in. long....

Spectronics Corp., Spectroline

THIN-FILM EDGE FILTERS Discriminating Raman spectroscopy edge filters for industrial, analytical and research applications are available from Semrock Inc. The company says ion-beam sputtering and proprietary manufacturing...

IDEX Health & Science - Semrock Optical Filters

OPTICAL MOUNTS Newport Corp. has released a pedestal post system for installing optical mounts at low beam heights in optomechanical applications. Either the pedestal posts can be used alone for stable,...

193-nm OPTICS High-performance 193-nm optics have been announced by Alpine Research Optics. The CaF2 components are suitable for laser applications such as microlithography, micromachining and lasik. Mirrors,...

Alpine Research Optics

ALUMINUM MIRRORS Aluminum substrate mirrors for IR laser applications are available from Edmund Industrial Optics. Offered with diameters from 25.4 to 76.2 mm, the mirrors are composed of an aluminum 6061-T6...

Edmund Optics Inc.

INTEGRATING SPHERES The integrating spheres released by Gigahertz-Optik Inc. are for use with infrared measurement devices such as pyrometers, laser/optical power meters and reflectance/transmittance instruments. The...

Gigahertz-Optik Inc.

REFERENCE FLATS Reference flats composed of high-stability materials such as glass, Zerodur and silica are available from Optical Surfaces Ltd. Suitable for astronomy, laser beam steering and op-tical flatness...

Optical Surfaces Ltd.

OPTICAL COATINGS The EH 1000 ion-beam device can process advanced optical coatings for photonic devices. Available from Kaufman & Robinson Inc., it operates at up to 8 A, to 300 V and with pressures that range...

Kaufman & Robinson Inc.

PHOTORECEIVER The OE-200-Si and OE-200-In opto-electrical photoreceivers operate at 400 to 1000 nm and 900 to 1600 nm, respectively. Available from Femto Messtechnik GmbH, the devices convert optical input power...

Femto Messtechnik GmbH

STEP MOTOR CONTROL Performance Motion Devices Inc. has added the MC3510 step motor controller to its Pilot line of motion processor chips. The single-axis motion processor provides pulse and direction output at up to...

Performance Motion Devices Inc.

ROTARY ENCODERS The RESR rotary encoders from Renishaw Inc. offer high-resolution, high-accuracy angular positioning. The low-mass, low-inertia design provides accuracy to ±0.5 arc sec, up to 129.6 million...

MICROSCOPE SYSTEMS O.C. White Co. has introduced the ProLite line of microscope inspection systems, which includes stereozoom microscopes for 3-D viewing that are mounted on a stainless steel double-glide arm to...

SPECTROMETER The CirOsCCD online spectrometer from Spectro Analytical Instruments employs inductively coupled plasma atomic emission spectrometry to monitor up to five processes, including water purification,...

Spectro Analytical Instruments Inc.

ILLUMINATION SOFTWARE Version 4 of Optical Research Associates' LightTools illumination design and analysis software for the Windows PC platform has a new user interface that is designed to be more intuitive and...

Synopsys Inc., Optical Solutions Group

MOISTURE ANALYSIS Tiger Optics LLC has released the MTO-1000-H2O trace moisture analyzer. The device features low-power continuous-wave diode lasers and cavity ringdown spectroscopy for measuring moisture in...

Tiger Optics LLC

POWER MEASUREMENT Ophir Optronics Inc. offers a thin-profile laser power measuring head with a thickness of 4 mm. Suitable for use in small spaces, model PD300-TP measures power from continuous-wave lasers. The device...

MKS Ophir, Light & Measurement

SPECTROPHOTOMETER A spectrophotometer for scanning in the visible range has been introduced by Biochrom Ltd. The Libra S5 features flash scan diode array optics; there are no moving parts. It is suitable for routine...

3-D SURFACE PROFILER The Talysurf CCI 3000 3-D surface profiler from Taylor Hobson Ltd. features a resolution of 0.1 Å over a 100-µm gauge range and repeatability of 0.03 Å rms. Suitable for MEMS,...

Taylor Hobson Ltd.

MICROSCOPE TIPS ProbeMax carbon nanotube atomic force microscope tips from nPoint Inc. include a scanning electron microscope image, which enables users to select the appropriate probe for each application. The...

PHOTONICS SPECTRA 2003

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