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Photonics Spectra - November 2003
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Issue Library
Features
Diagnostic Laser Beam Measurement
Measurement of spatial beam intensity distribution — a beam profile — and of beam propagation characteristics is an integral part of today’s many high-precision, laser-based applications where beam quality is critical. The basic definitions and techniques for these laser measurements are documented in several ISO standards (ISO 11146 and 13694, in particular). These methods include various...
Deposition Equipment Fine-Tunes Optical Coatings
Over the past few years, the need to pack more telecommunications channels into a given swath of optical spectrum has forced manufacturers to offer deposition equipment that produces less costly and...
Fiber Optic Connectors: Meeting Polishing Demands
Optical fiber is a good vehicle for high-speed data transmission as long as light transmission is efficient — even across connector assemblies. This translates to a need to polish connector end faces...
Holographic Volume Bragg Gratings Stabilize Laser Diode Performance
High-power multimode laser diodes, emitting >1 W per diode, and laser diode arrays, emitting tens or even hundreds of watts, have many important applications, such as medicine, materials...
Picking Wheat from Chaff
A missile launches from a remote silo, streaks upward through the clouds, then shoots above the atmosphere. There is no chance to stop the re-entry vehicle from hitting its target unless it can first...
CMOS Sensors Expand Their Universe
What a difference a year -- or two -- makes with imaging technology. First-generation cell-phone cameras, for example, primarily used CCD sensors, but the cost benefits of CMOS technology, as well as...
Direct Image Sensor Tackles Color Concerns
When an application demands high-quality color imaging, CCD sensors once were the only alternative, but this is no longer the case for certain applications. Foveon Inc. in Santa Clara, Calif.,...
Sensors Support Low-Light Imaging
One key to customer acceptance of CMOS imagers in the mobile market space is low-light performance. This is often specified in terms of the lowest light level at which the sensor produces an image...
Large-Pixel Architectures Aid Radiographic Imaging
Much of the effort in CMOS image sensor development to date has focused on circuit architectures and on fabrication processes for small devices. Typical applications in this category include...
CMOS Technology Addresses Security Imaging Issues
With increasing global demand for stringent security precautions, the need for high-performance, reliable and cost-effective cameras in both the public and private sectors is on the rise....
CCDs Promise 85 Percent Peak Quantum Efficiency
Although the line between the functionality of CMOS and CCD imaging sensors has blurred for many applications, there are still times when one is a more optimum solution. Consider, for example,...
Tech Pulse
'One and the Same' Atom Laser Displays Unique Behavior
Scientists investigating one-atom at California Institute of Technology in Pasadena lasers have developed a device that displays no threshold for lasing and uniquely regular emissions. Unlike previous one-atom lasers and masers, which operate by exciting single atoms in a stream that passes through an optical cavity, the new setup employs only one atom. They call the arrangement a "one and the...
MEMS Enable Tunable Lasers for Telecom
Dynamically reconfiguring next-generation fiber optic telecom systems will require wavelength-tunable lasers that can provide a signal into any wavelength division multiplexed channel and that can...
Mode-Locked, Tunable Fiber Laser Is Alternative to Ti:Sapphire
Fiber lasers are being developed in laboratories around the world as alternatives to traditional solid-state lasers. The Ti:sapphire laser, however, has remained largely unchallenged as a source of...
Holey Fiber Supports Megawatt Pulses
Scientists at Corning Inc. in Corning, N.Y., have developed a hollow-core photonic bandgap fiber that supports ultrashort pulses of infrared radiation with peak powers more than 100 times greater...
Single-Stage YAG Amplifier Sets Power Record
A research group in Japan has achieved 132 W of average green power at 1 kHz by frequency doubling an Nd:YAG master oscillator power amplifier system. Both this second-harmonic power level and the...
light speed
Company Ally to Provide Free-Space Optics Products in China
Carrier-class optical transmission equipment provider LightPointe of San Diego will manufacture free-space optics products for the Chinese market under the Huawei Technologies Co. Ltd. brand as a result of a partnership agreement between the companies. The alliance enables Huawei, a telecommunications equipment company based in Shenzhen, China, to provide a high-capacity connectivity option to...
Multiplex Offers Semiconductor Foundry Services
Multiplex Inc., a manufacturer of optoelectronic components and integrated subsystems that is based in South Plainfield, N.J., now provides custom compound semiconductor foundry services. Having...
A4Vision Receives Government Contract for 3-D Identification Technology
A4Vision Inc. of Cupertino, Calif., will develop a mobile three-dimensional imaging identification system for the US government under a $190,000 contract for the initial two phases of the program....
Telops and ficonTec Form Alliance
Under a partnership arrangement, ficonTec GmbH of Bremen, Germany, will provide optronic test system specialist Telops Inc. of Saint-Augustin, Quebec, Canada, with expertise in automated facet and...
Firm Wins Contract to Develop Chiral Laser
Chiral Photonics Inc. of Clifton, N.J., plans to develop and prototype chiral fiber lasers under a three-year, $2 million grant from the National Institute of Standards and Technology's Advanced...
Areté to Develop Collision Avoidance System for Marine Vehicles
Areté Associates of Tucson, Ariz., in collaboration with the Office of Naval Research and the US Marine Corps, will develop an electro-optic collision avoidance system for the Expeditionary Fighting...
Dow Corning Opens Photonics Division
Dow Corning Corp. of Midland, Mich., has launched a photonics group that is expected to draw upon the company's experience in silicon-based electronics. Announced in early October, the Photonics...
Bookham Agrees to Acquire New Focus
Following the acquisition of California companies Cierra Photonics of Santa Rosa and Ignis Optics Inc. of San Jose, Bookham Technology plc has signaled its intent to extend its acquisition strategy...
Visualization Analysis Lab Helps Prepare NASA for Shuttle Flight
An advanced visual film analysis system to help detect and repair structural problems on the space shuttle has been developed for the Kennedy Space Center in Florida by NASA, the United Space...
Companies Form Manufacturing and Distribution Alliance
NP Photonics of Tucson, Ariz., and Chromux Technologies Inc. of Oxnard, Calif., have formed a partnership in which Chromux will be the exclusive manufacturer of NP Photonics' compliant MEMS products...
Lightcross to Merge with Arroyo Optics
California-based suppliers to the telecommunications equipment industry, Arroyo Optics Inc. of Santa Monica and Lightcross Inc. of Monterey Park, have agreed to merge, forming a company to be known...
Companies to Develop Thin-Disk Lasers
Spectra-Physics of Mountain View, Calif., and Jenoptik Laser, Optik, Systeme GmbH of Jena, Germany, have formed an alliance to develop and introduce thin-disk lasers that have the potential to...
DRS to Purchase Integrated Defense Technologies
Under a signed agreement, defense electronics supplier Integrated Defense Technologies (IDT) Inc. of Huntsville, Ala., will merge with a wholly owned subsidiary of DRS Technologies Inc. of...
Schott Lithotec to Upgrade Mask Blanks for EUV Lithography
Under a one-year agreement, Schott Lithotec AG of Jena, Germany, will supply International Sematech of Austin, Texas, with mask blanks for use in extreme-UV lithography. The company will follow...
Canadian Photonics Fabrication Center to Open
The purpose of the Canadian Photonics Fabrication Center, scheduled to formally open in May 2004, is to expand the photonics industry by offering Canadian companies and academic institutions access...
Albis Reintroduces Photodiode Line of Former Opto Speed
Albis Optoelectronics AG of Rüschlikon, Switzerland, has relaunched the photodiode and chip and receiver subassembly product line of the former Opto Speed, which it recently acquired. Albis was...
BAE Awarded Contract for Laser System
BAE Systems Avionics of Basildon, UK, will design and develop the laser system for the F-35 Joint Strike Fighter electro-optical targeting system under a contract from Lockheed Martin of Bethesda,...
Accent on Applications
Laser Profilometry Inspects Shuttle Thrusters
After a space shuttle mission, technicians thoroughly inspect the vehicle for wear and tear, looking for the minute chips and hairline fractures that can result from supersonic impacts or from the...
Hemispherical Display Uses Single Lens and Digital Projector
Delivering realistic graphical information to the retina has been a challenge for information display technology. Elumens Corp. of Durham, N.C., hopes that its immersive hemispherical digital...
Beamsplitter Coating Enables Virtual Display in Automobiles
The modern automobile control console has evolved from "dummy lights" to an integrated series of high-tech displays. A new example of such an advanced display is the in-dash navigation system in the...
Displays Doped with Lanthanides
Emissive display technologies are benefiting from the development of new materials, notably organic LEDs. These electroluminescent devices do not require a front or back light, and they offer a wider...
Presstime Bulletin
Levitators Offer High-Performance Glasses
Researchers at the Glass Products Div. of Containerless Research Inc. of Evanston, Ill., are producing new rare-earth-doped glasses that have applications in high-power-density solid-state lasers, telecommunications, medical lasers, military and security technologies, and optical components. The use of levitation systems at NASA's Marshall Space Flight Center in Huntsville, Ala., that offer a...
New Model Advances Plasmonics
Scientists at Houston's Rice University have developed a model of the plasmon response of metallic nanostructures to light that may facilitate the development of such nanomaterials and devices....
Mortar Round Snaps Recon Imagery
A team of scientists at Georgia Institute of Technology's research institute in Atlanta has constructed a reconnaissance system that can be fired from conventional mortars and that offers tactical...
Products
LASER FOR WDM SYSTEM TESTING
The IQS-2700 tunable external-cavity laser for testing optical systems and components is available from Exfo Electro-Optical Engineering Inc. in three configurations. The model for the C- and...
EXFO Inc.
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PULSED DIODE LASER
PicoQuant GmbH has introduced a 375-nm high-power picosecond pulsed diode laser. The compact integrated turnkey system contains a one-channel or multichannel dedicated driver box with an internal...
PicoQuant GmbH
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IN-FIBER POLARIZER
Chiral Photonics Inc. offers an in-fiber polarizer based on proprietary chiral technology. The company can customize the all-glass polarizers according to spectral and performance requirements, and...
Chiral Photonics Inc.
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FIBER LASERS
Laserline GmbH has released fiber-coupled diode lasers for welding and cutting. The LDF 400-850 delivers 850 W in 400-µm fibers and achieves almost three times more output than previous models....
Laserline GmbH
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CMOS/CCD IMAGER LENSES
The low-profile DSL914 and DSL924 multielement glass lenses from Sunex Inc. are optimized for megapixel CMOS or CCD imaging systems. The f/2.8 DSL914 features a total optical path length of 17.6 mm...
Sunex Inc.
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AUTOCOLLIMATOR
TriAngle, an electronic autocollimator from Trioptics GmbH, measures angles along three axes. The device features a variable measuring range and an integrated high-resolution CCD sensor. It is...
TRIOPTICS GmbH
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POLARIZATION OPTICS
ColorLink Inc.'s design and manufacturing service offers polarization optics such as wave plates, retarders, stacked assemblies and polarizers in any geometry and in sizes from 1 to 250 mm....
RealD
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CCD CAMERA
Model 550, a rotating-mirror CCD camera released by Cordin Scientific Imaging, is an option for those who require high image quality, a high number of frames and fast framing rates simultaneously....
Cordin Scientific Imaging
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LABORATORY SPECTROMETER
Spectro Analytical Instruments introduces the X-Lab 2000 precision laboratory spectrometer for applications in which unknown elemental concentrations must be determined with little sample...
Spectro Analytical Instruments Inc.
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LASER TESTING
Adding to its family of reliability test systems, ILX Lightwave Corp. has unveiled the LRS-9420 model, designed to lower the cost of TO-can and TOSA-packaged lasers and LEDs. The system can...
Newport - ILX Lightwave, Photonics
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VIDEO ACQUISITION
Introduced by Arvoo Imaging Products, the leonardo PMC64-CL video processor board acquires Camera Link base digital video at a maximum rate of 200 MB/s. Video data can be stored in the integrated...
ARVOO Imaging Products BV
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OPTICAL DESIGN
Lambda Research Corp. has released Oslo optical design software for the Linux operating system, which is similar in look, feel and technical capabilities to the version for Windows. The company says...
Lambda Research Corp.
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LASER POWER ANALYZER
Equipped with a PD1 detector, the PT-9610 laser power/noise signal analyzer from Gigahertz Optik Inc. is suitable for applications such as laser scanning microscopy, in which changes in intensity or...
Gigahertz-Optik Inc.
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HEAT CIRCULATORS
Model 3370 liquid-to-air recirculators from PolyScience offer a 13,640-Btu cooling capacity at room temperature for heat removal applications with lasers, imaging systems, plasma etchers and other...
PolyScience
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MODULATOR DRIVER
Incorporating a frequency source and power amplifier, the compact Model 3363 electro-optic modulator driver from New Focus Inc. is suitable for use with resonant phase and amplitude modulators,...
Newport - New Focus
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THIN LED CHIPS
Thin, 95-µm-high LED chips produced by Cree Inc. provide a typical brightness of 7 mW and forward voltage of 3.2 V when operated at 20 mA. With a typical forward voltage of 2.9 V when operated...
Wolfspeed Inc.
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POLARIZATION ANALYSIS
Polarization measurement and analysis systems designed for the IR wavelengths (1525 to 1575 nm) are available from Optellios Inc. Equipped with compact stand-alone heads, the Polarimeter series...
Optellios Inc.
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SURFACE-MOUNT SENSORS
The TLS250/251RD and TLS260/261RD light-to-voltage converters from Texas Advanced Optoelectronic Solutions Inc. (Taos) are now available in eight-pin small-outline integrated-circuit packages that...
AMS-TAOS USA Inc.
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NOISE ABSORPTION
A system for isolating sensitive measuring and microscope areas from building vibration and airborne noise has been released by Halcyonics GmbH. The Acoustic Workstation 1L plus is composed of a...
Accurion GmbH
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COLLIMATORS, MOUNTS
Compact tube collimators from Optical Surfaces Ltd. are based on the company's precision off-axis paraboloids, which use zero expansion for long-term stability. The units, fabricated in aluminum with...
Optical Surfaces Ltd.
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OPM MODULE
NP Photonics says that its optical performance monitoring module combines high accuracy with an industry-standard platform. Based on the company's compliant MEMS Fabry-Perot tunable filter, the...
NP Photonics Inc.
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CONNECTOR INSPECTION
Lightel Technologies Inc. says that its CI-1000 tool for inspecting connectors embedded in adapters provides cost-effective efficiency and 400X magnification. Designed for use in the field, the...
Lightel Technologies Inc.
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LASER DIODE MODULE
A 635-nm solid-state laser diode module with 25-mW output is available from Blue Sky Research. The ChromaLase 635 has proprietary beam-collimating optics that generate a circular,...
Blue Sky Research
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LASER SCANNERS
Scanlab AG has expanded its family of powerScan laser scanners, which enable systems integrators to position multiple kilowatts of laser power onto a workpiece in a few milliseconds. The powerScan 50...
SCANLAB GmbH
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FO INTERFEROMETERS
Krell Technologies Inc.'s SpecMap interferometric inspection systems for connector polish diagnostics, quality assurance and process control applications measure surface geometries of single-fiber...
KrellTech
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BEAM STEERING
Special Optics Inc. is offering in-line beam steerers, which, unlike Risley prisms, move laser beams in a Cartesian coordinate system rather than in a polar one. The devices consist of an adjustable...
Special Optics Inc.
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COLOR RECOGNITION
The LT-FS color recognition system from Laser Components (UK) Ltd. compensates for differences in color perception by comparing every object with a precalibrated color that is stored via a...
Laser Components (UK) Ltd.
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RAMAN FILTERS
Semrock Inc. has introduced three thin-film filters to be used with 325-nm HeCd, 473-nm argon-ion or doubled Nd:YAG, and 1064-nm Nd:YAG lasers in Raman spectroscopy. The ultrasharp long-wave pass...
IDEX Health & Science - Semrock Optical Filters
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CYLINDRICAL LENSES
The ic8 series aspheric cylindrical lenses from ingeneric gmbh are used to collimate the divergent laser beam of high-power diode lasers. The company says the lenses offer a high numerical aperture,...
INGENERIC GmbH
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OPTICAL SWITCHES
Smaller-scale optical switches for telecommunications, defense, and test and measurement applications have been added to Polatis Ltd.'s product line. The devices are now available in configuration...
HUBER+SUHNER Polatis
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CUSTOM CYLINDERS
Rapid prototype custom cylindrical lenses are available from Kreischer Optics Ltd. The company says its manufacturing methods and unique tooling have enabled it to offer custom planoconvex...
Kreischer Optics Ltd.
THERMAL VIEWER/CAMERA
A compact, self-contained, handheld instrument, the Find-R-Scope thermal viewer/camera from FJW Optical Systems Inc. is suitable for applications such as surveillance, threat detection, search and...
FJW Optical Systems Inc.
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CHILLERS
Bay Voltex Corp. has unveiled its Mercury chillers for laboratory and industrial applications. This line features a proprietary O-ring-based coolant-sealing system for leak-free operation....
BV Thermal Systems
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RADIOMETER HEAD
Ophir Optronics Inc. has introduced the PD300-BB, a photodiode-based detector head with a flat spectral response from 400 to 1000 nm, for power measurement of broadband light sources. Its dynamic...
MKS Ophir, Light & Measurement
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LASER VISION SYSTEM
The FLS iron/ultraScan Vision accessory has been released by Fisba Optik AG. Designed to close the gap between scanner, CCD camera and pyrometer for high-power diode laser systems, it can be used for...
FISBA AG
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LASER FOR MACHINE VISION
The Lasiris low-speckle laser is designed for machine vision applications. It uses patented technology that reduces the speckle of a laser beam or projected pattern, thereby producing better images...
ProPhotonix Ltd.
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POLISHING ABRASIVES
The Microlux-R series high-purity calcined alumina abrasive powders from Meller Optics Inc. are for grinding, lapping and polishing precision optics such as semisoft crystalline and composite...
Meller Optics Inc.
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IR PHOTOSENSOR
The QSB34 photosensor has been introduced by Fairchild Semiconductor. The PIN photodiode device has a surface area of 3 X 3 mm and a reception angle of 120°. Its packaging creates an integral,...
BAE Systems Sensor Solutions
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PCI CAMERA
The Fastcam-X 512 PCI camera system from Photron USA is engineered for high-speed operation inside any desktop computer. It is available in 30-bit color and 10-bit monochrome configurations. The 2K...
Photron USA Inc.
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HOLLOW PENTA PRISMS
A line of hollow penta prisms has been added to Edmund Industrial Optics Inc.'s inventory of optical components. According to the company, they provide all the properties of traditional glass penta...
Edmund Optics Inc.
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PHOTOMULTIPLIER TUBE
The R7639 photomultiplier tube from Hamamatsu Corp. has been designed for high-end emission spectroscopy, vacuum-UV spectrophotometry and other low-light-detection applications. The nine-stage...
Hamamatsu Corporation
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THERMOGRAPHY CAMERA
Electrophysics Corp.'s EZ Therm infrared camera features a 320 X 240-pixel, uncooled focal plane array for high-resolution thermography in applications such as quality assurance and electrical,...
Lynred USA
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IMAGE ANALYSIS
Image-Pro Plus 5.0 is the latest version of Media Cybernetics' image analysis software. Its streamlined image acquisition interface enables easy reach of capture tools, and its AutoSet features...
Media Cybernetics Inc.
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ULTRATHIN WAVE PLATES
OptiSource LLC has released zero-order wave plates that are 0.050 to 0.099 mm thick and measure 1 X 1 mm or 10 mm in diameter, for use at 1310 or 1550 nm. The company also supplies low-order devices...
OptiSource LLC
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