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Photonics Spectra - June 2002
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Issue Library
Features
Marking Glass
In any manufacturing process, information about the creation and nature of the product is critical to optimizing the process. Permanent, unambiguous symbols such as part or serial numbers save time, facilitate in-process testing and reduce mistakes. Marking parts in the metal fabrication and electronics packaging industries, for example, has increased the productivity, traceability and quality of...
Photonic Crystals
Photonic bandgap crystals serve as a microcosm of the photonics industry: Although microscopic in structure, their versatility in manipulating photons could have a huge and pervasive impact on nearly...
Does Your CCD Camera Need Cooling?
To those in the light-starved world of astronomy, the result of cooling cameras to ultralow temperatures is obvious: Truly amazing images can be produced in situations where only a few photons are...
Tech Pulse
Zia Delivers Quantum Dot Samples
Zia Laser Inc., a start-up optics company founded a year ago by faculty and former students of the University of New Mexico's Center for High Technology Materials, produced its first round of sample quantum-dot 1550-nm tunable gain chips in April. The company delivered 25 of the chips for alpha testing for measurement equipment and widely tunable lasers for long-haul and regional-based...
Single-Chip LED Emits White Light
Scientists in Taiwan have developed a white LED that promises to simplify the manufacture of these devices. Rather than optically stimulating a phosphor or mixing the outputs of two or three LEDs of...
Fiber Optics Upgrades Cryptography
An autocompensating quantum cryptography technique based upon manipulating a pulse of light split into equal orthogonally polarized components has received a significant upgrade with the integration...
Polarization Control Yields Ultrashort Raman Radiation Pulses
In many experimental setups, stimulated Raman scattering is an attractive method for laser frequency conversion. However, when the conversion must be done in the femtosecond regime, Raman scattering...
VUV Laser Paves the Way for X-Ray Free-Electron Laser
After successfully constructing a self-amplification spontaneous-emission, free-electron laser that performs well in the vacuum-UV wavelength band, researchers have set their sights on producing an...
Laser Ultrasound Evaluates Paper
One of the biggest challenges for the paper-making industry is testing the strength and flexibility of paper during production. Engineers must resort to examining samples cut from the ends of...
Metal Migration Leads to Breakdown of Organic LEDs
Using secondary ion mass spectrometry, researchers at the Institute of Materials Research and Engineering in Singapore have found that some organic LEDs degrade because of metal migration at the...
Ink-Jet Simplifies Organic LED Design
Researchers at the University of Arizona in Tucson have developed an ink-jet printing method for constructing organic LEDs that does not require a special mask or prepatterning of a substrate's...
Sensor Could ID Complex Mixtures
According to scientists at the US Department of Energy's Ames Laboratory in Ames, Iowa, back-detection geometry may provide the key to opening up in vivo biological applications for a...
Hydrogels Form Tunable Photonic Crystals
Using thermoresponsive hydrogel nanoparticles, researchers at Georgia Institute of Technology in Atlanta have formed colloidal photonic crystals that are color tunable by temperature-controlled...
Monomeric Thin-Film Layers Hold Polar Order
Electro-optic modulators along fiber optic lines commonly use LiNbO3 or GaAs waveguides that are expensive and often limit bandwidth to 10 GHz. Using a hybrid covalent/ionic self-assembly process,...
Grooves Align Fiber and Crystal
Researchers in upstate New York have developed a technique for attaching an optical fiber to a photonic crystal without using a tapered waveguide as an intermediary. The process incorporates stepped...
Water/Propanol Solvent Makes 'Green' Lasers
The volatility, flammability and other environmental hazards posed by solvents used in dye lasers, such as methanol and ethanol, have hindered the lasers' use in industrial applications. The...
Film Integration Steps Closer to Flat Panel Application
Three-color integration of rare-earth-doped GaN thin films may now be possible for use in flat panel displays. Using a combination of shadow-masking and photoresist-liftoff techniques, Don Lee and...
Microstructures Emit Coherent IR Radiation
Thermal sources, such as a blackbody or the incandescent filament in a lightbulb, typically produce broadband, quasi-isotropic radiation. But a team at Centre National de la Recherche Scientifique in...
VCSELs Pump Photonic Crystal Defect Lasers
The potential for low-threshold pump power is one reason why photonic crystal de-fect lasers show promise for high-speed optical-interconnect applications. To validate just how low that threshold can...
Crystals Promise New Optical Materials
Colloidal particles interest scientists because, although the particles are much larger than molecules, they often behave similarly. For example, they can be present in a solid, liquid or vapor...
light speed
As Manufacturing Falls, So Falls Photonics
The good news last year for industrial lasers and machine vision markets in North America was that their decline trailed the decline of the markets they supplied. The bad news is that their recovery will also trail the return of those markets. Semiconductor revenues alone dropped 54 percent between 2000 and 2001, while electronics lost 27 percent. The size of those two markets relative to...
Accent on Applications
Imaging in the Round
One of the biggest bottlenecks in designing new products is in communicating work in progress -- which usually requires multiple physical prototypes -- to other engineers and managers. Although three-dimensional displays have found application in prototyping for industries such as pharmaceuticals, architecture and automotive design, the typical stereoscopic headwear that is associated with these...
HeNe Lasers Give X-Rays a New Lease on Life
Since 1895, when Wilhelm Roentgen performed the first x-ray of his wife's hand, this noninvasive technique has become one of the most effective diagnostic tools available. Used by physicians and...
Laser Diodes Headlining in Hollywood
Many studios producing this summer's blockbuster films will be using the digital intermediate process, wherein the camera negative is scanned and all postproduction operations -- from editing to...
Adhesives Hold the Big Picture
Although demand for large-screen televisions hasn't exactly exploded in North America, it is picking up momentum in a much larger market: China. In a country where there is one car for every 1000...
Fiber Intrusion Detector Safeguards Data
Terabits of data containing sometimes mundane, sometimes pointed analyses of the disposition of our allies and potential foes flood through the arteries of the US intelligence network every day....
Presstime Bulletin
Pulses May Yield Frequency-Entangled Photons
According to scientists at Massachusetts Institute of Technology's Research Laboratory of Electronics in Cambridge, parametric down-conversion of short-pulse laser radiation in a periodically poled KTP crystal should yield a source of frequency-entangled pairs of photons with the same frequencies for experimenters. Such photon pairs, said Franco N.C. Wong, one of the researchers on the project,...
Technique Promises LCDs on Any Substrate
Today's liquid crystal displays (LCDs) sandwich liquid crystal between two layers of material, typically glass. A technique developed by scientists at Philips Research Laboratories and Eindhoven...
Molecular Phase Modulation Generates <4-fs Pulses
A group at Max Born Institut in Berlin have produced ultrashort optical pulses by molecular phase modulation in Raman-active gases. Unlike self-phase modulation, the technique should enable the...
Resistors Enable Adaptive Optics on the Cheap
The term "adaptive optics" conjures images of complicated and expensive systems. Researchers at Delft University of Technology in the Netherlands hope to change that. In the May 1 issue of Optics...
Condensate Produces Atomic Solitons
Researchers at Rice University in Houston have further explored the wave nature of matter by generating atomic solitons from a lithium Bose-Einstein condensate. The scientists, who described the work...
Products
POWER SUPPLIES
HiTek Power has released two families of compact solid-state power supplies that incorporate a dynode divider for use with side- or front-window photomultipliers. They feature integral voltage...
LHV Power Corp.
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MICRO-INTERFEROMETER
A fiber optic micro-interferometer with 0.12-µm vertical resolution has been introduced by Edmund Industrial Optics. It comes with FC, ST and SC connectors, a 110/120-VAC wall adapter, glass...
Edmund Optics Inc.
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SPECTROPHOTOMETER
Optometrics LLC offers a modular recording spectrophotometer for education and research. The RS system is suitable for spectrophotometric transmission, absorbance, reflectance and fixed-wavelength...
Optometrics Corp.
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LINEAR ENCODER
The RGH25F from Renishaw Inc. is an optical linear encoder designed for positioning fiber optic splicing equipment in telecommunications applications. The read head measures 36 x 14.3 x 12.5 mm and...
Renishaw Inc.
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TUNABLE LASER SOURCE
A tunable laser source that characterizes optical components for WDM transmission systems has been released by Anritsu Co. The MG9541A covers the 1510- to 1640-nm range and analyzes passive and...
Anritsu Co.
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PHOTOSENSITIVE FIBER
StockerYale Inc. offers cladding mode suppression fiber for use in gain-flattening filters, for the manufacture of fiber Bragg gratings and for broad-spectrum-bandwidth DWDM applications. The company...
ProPhotonix Ltd.
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MOTOR AMPLIFIER
Nanomotion Inc.'s AB1A 3U motor amplifier can be used with all of the company's standard motors. This board-level device is designed for OEMs that package electronics in their own racks or boxes. The...
Nanomotion Inc.
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ROTATION MIRROR
A fiber optic polarization rotation mirror with a 90° Faraday rotation angle is available from General Photonics Corp. The FRM-001 can be used to eliminate polarization sensitivity in fiber...
General Photonics Corp.
PACKAGING, ASSEMBLY
The Flexsys family of standardized automated manufacturing systems, available from Automation Tooling Systems Inc., includes solutions for advanced packaging and assembly in opto- and...
ATS Automation Tooling Systems Inc.
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VISION SENSORS
The In-Sight 4000 series of vision sensors from Cognex Corp. include built-in Ethernet communications, a spreadsheet interface and vision tools for locating, inspecting, measuring and identifying...
Cognex Corp.
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IMAGE SENSORS
Hamamatsu Corp. has launched NMOS linear image sensors that operate from 200 to 1000 nm with a peak sensitivity at 750 nm. The S8380 offers a typical dark current of 0.2 pA, a pixel pitch of 50...
Hamamatsu Corporation
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REAL-TIME IMAGING
The SOC-700 integrated hyperspectral imaging system from Surface Optics Corp. has onboard processing for real-time applications such as machine vision, biological screening, color quality assessment...
Surface Optics Corp.
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ZOOM LENS
The Model COI-CIZ is an optically compensated lens system that performs 4 zoom with one moving part. This MWIR lens from Computer Optics Inc. has a focal length of 50 to 200 mm at f/4.3 and operates...
Computer Optics Inc., IRZoom
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INFRARED IMAGING
The CamIR-1700 CCD-based camera from Applied Scintillation Technologies offers broadband operation with sensitivity between 1100 and 1700 nm. This portable imaging system has a dynamic range of 40 dB...
Scintacor Ltd.
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IMAGE ARCHIVING
Leco Corp. says that its Pax-it image archiving system offers efficient acquisition and cataloging of digital images and data. The device is designed for improved workflow, with streamlined image...
LECO Corp.
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FRAME GRABBER
The Model 615 frame grabber from Sensoray Co. simultaneously captures images from four of its 16 input channels and queues them for jpeg compression. This device has a throughput of 30 and 25 fps for...
Sensoray Co. Inc.
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CCD/CMOS LENSES
Sunex Inc. has announced a series of miniature digital imaging lenses for use with CCD and CMOS cameras. The company says the DSL800 lenses have high-quality glass optics optimized for 1.0- to...
Sunex Inc.
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BOARD CAMERA
The 21P4B color camera module has been released by Framos Electronic Vertriebs GmbH. This board camera has a 1/4-in. CCD sensor with resolution of 512 x 582. It features a mirror mode, a flickerless...
FRAMOS GmbH
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AREA-SCAN CAMERA
Basler Vision Components has introduced a progressive-scan camera with 9.9 x 9.9-µm pixels and IEEE-1394 output. The A301f offers 80 fps and resolution of 658 x 494. This camera is suitable for...
Basler AG
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IR MICROSCOPE
Bruker Optics Inc. has introduced a compact infrared microscope that uses attenuated total reflection (ATR), external and diffuse reflection, and reflectance absorption to provide sample...
Bruker Optics Inc.
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LASER MICROMACHINING
Electro Scientific Industries Inc. has launched a laser micromachining system for dicing wafers and drilling vias in silicon wafers. The model 2700 can cut out die with either straight or curved...
ESI - Electro Scientific Industries
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VIBRATION CONTROL
The LabMate 9211 series of compact vibration-isolation workstations from Kinetic Systems Inc. are suitable for semiconductor processing, telecommunications and aerospace engineering applications....
Kinetic Systems Inc.
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CRYSTAL WAFERS
Crystal Systems' fixed abrasive slicing technology uses a pack of wires with diamond particles to slice silicon, sapphire, silicon carbide and other materials that require precise fabrication. For...
GT Advanced Technologies, Advanced Materials Group
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FIBER LASER
IPG Photonics Corp. has introduced the YLR series of 700-W, 1085-nm ytterbium fiber lasers. These compact lasers provide CW output, high wall plug efficiency, low maintenance and cooler-free...
IPG Photonics Corporation
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MICROFABRICATION
Potomac Photonics Inc.'s Microfabrication Center provides micromachining contract services, including direct-write laser deposition. The company says it uses a maskless process that allows changes in...
Potomac Photonics Inc.
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40-W DIODE LASERS
Coherent Inc.'s Semiconductor Div. has launched a line of 40-W fiber-array-packaged diode lasers with a wavelength range of 780 to 815 nm. Suitable for direct-diode thermal applications, the lasers...
Coherent Inc.
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KrF LIGHT SOURCE
A krypton fluoride production light source for use in semiconductor manufacturing has been unveiled by Cymer Inc. The ELS-7000 is designed for next-generation lithography applications at 248 nm and...
Cymer Inc.
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SPECTROMETER MODULES
Ocean Optics Inc. has introduced the SAS series of spectrometer modules for integration into spectroscopy-based OEM systems. The spectrometers measure 39 x 46 mm and provide optical resolution of...
Ocean Optics - Part of Ocean Insight
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OPTICAL SWITCH CARD
Keithley Instruments Inc. has expanded its line of optical switching cards with the release of a 1 x 16 version. This addition enables the company's model 7001 and 7002 switch mainframes to control...
Keithley Instruments Inc.
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ALL-OPTICAL SWITCH
Civcom Inc. has introduced the Free-X 2 x 2 multifunction all-optical switch, available in fast and ultrafast versions, with integrated variable optical attenuator and multicast capabilities. Based...
Civcom D & S
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TRANSLATION STAGE
A compact, multidimensional translation stage, the Tritor 100 Cap, has been introduced by piezosystem jena Inc. Designed for large, parallel motion of up to 100 µm in all three axes, the device...
piezosystem jena GmbH
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MOTION CONTROL
National Instruments' Motion Assistant automatically generates LabView code and develops applications that use single- and multiaxis motors and positioning devices. Suitable for optoelectronics...
National Instruments Corp.
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MOTION CONTROL SOFTWARE
Exfo Electro-Optical Engineering Inc. has made available motion control software designed for use with its FR-3000 NanoRobot alignment system. The software's peak-finding routines enable the system...
EXFO Inc.
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UV SPECTROMETERS
Spectrometers for the UV range from 190 to 400 nm have been announced by StellarNet Inc. The EPP2000-UV-HR spectrometers achieve resolution of <1 Å, depending on grating range, detector and...
StellarNet Inc.
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OPTICAL TESTING
The OTS software tool kit is designed for use with Tektronix Inc.'s optical test systems. The kit includes a script creator, interpreter, debugger and scheduler, as well as Q-factor bit-error-rate...
Tektronix Inc.
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METROLOGY SYSTEM
The SmartScope Flash 200 noncontact metrology system has been launched by Optical Gaging Products Inc. The compact benchtop system has a twin-column, Z-axis design and an embedded computer. It offers...
OGP (Optical Gaging Products)
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MODELING SOFTWARE
Breault Research Organization has launched version 7.1 of its Advanced Systems Analysis Program (ASAP). The ASAP/Pro module allows users to connect with up to five other computers within the local...
Breault Research Organization Inc.
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FTIR ANALYSIS
Shimadzu Scientific Instruments has introduced the FTIR Prestige analysis system, which has a high-energy-throughput optical system that provides a signal-to-noise ratio of 40,000:1. The company says...
Shimadzu Scientific Instruments Inc.
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DEPTH MEASUREMENT
Titan Tool Supply Inc. has introduced a depth measurement system that includes the model TMCVS 4 x 2.5-in. color LCD monitor, the model ZDM-1 depth-measuring microscope, a CCD color camera and a...
Titan Tool Supply Inc.
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TEST AND ASSEMBLY SOFTWARE
Integra, an automation control software platform that provides integration and connectivity across a broad range of photonic test and assembly systems and applications, has been launched by Newport...
MKS/Newport
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