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Photonics Spectra - October 2003
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Issue Library
Features
Flexible Imaging with Smart Cameras
Smart cameras may be selling like hotcakes, but they’re really not revolutionary in terms of image processing and analysis — not yet, anyway, according to Pierantonio Boriero, product manager at...
New Cameras Offer Image Intelligence
The introduction and proliferation of smart cameras has been the most significant development in the machine vision industry in the past five years. Although continuing advances in pixel resolution,...
New Solutions for Image Processing
For smart cameras, image isn’t everything. There’s also image processing to consider. Being able to quickly categorize a pill as the right shape or color, for instance, may make the right type of...
Custom Optics Meet the Challenges of 2-D Symbol Applications
The rising popularity of two-dimensional symbols for bar-code applications has increased the need for imager-based bar-code readers. In the past, the only solution for reading these symbols was...
Vision Guidance Increases Robots' Utility
Take the robot — basically a blind beast of burden — add vision capability, and you now have an incredibly flexible fixture. It can load machine tools, inspect weld seams on an automobile,...
Vision Sensors Meet High-Speed Networking
As production line speeds continue to accelerate, manual inspection has given way to automation using machine vision sensors that are faster and more accurate than humans at spotting defects. Many...
Wavelength Monitoring of Sensors: Two Approaches
Fiber sensors offer several significant advantages over conventional electrical sensors. They’re rugged passive components requiring no external power. They form an intrinsic part of the fiber optic...
Michelson Interferometry Interrogates Fiber Bragg Grating Sensors
Fiber Bragg gratings, which have had such success in wavelength division multiplexing for telecommunications, also have been adapted to environmental sensors. These sensors measure parameters such as...
Tunable Laser Wavelength Calibration for Fiber Sensing
Monitoring the wavelength reflected from a fiber Bragg grating can be achieved using tunable laser technology combined with absolute wavelength referencing. Laser sources are preferred for...
Polymer Optics Gain Respect
For many years, polymer optics languished as the stepchild of the photonics world. Considered unsuitable for high-precision applications, plastic lenses were relegated to toys, low-accuracy eyepieces...
Solid-State Lasers Stand Their Manufacturing Ground
For perhaps the first time, conventional Nd:YAG lasers face serious competition from other solid-state technologies in a variety of micro- and macroscale cutting and welding applications.On the...
Pulsed Nd:YAG Lasers Push the Welding Envelope
The growth of industrial welding applications continues to push the welding envelope of lasers in terms of faster speeds, deeper penetration, more-weldable materials and smaller spot sizes. The...
Disk Lasers Facilitate Cutting and Remote Welding
One of the newest laser technologies of note is the Yb:YAG disk laser, with commercial systems that can deliver 1 kW of power through a 150-µm-diameter fiber. End users can expect to see 4-kW...
Fiber Lasers Find Their Footing
The competition between fiber and disk lasers seems to be heating up with the fibers’ quest for a share of the industrial welding and cutting market. A group of researchers from Southampton...
Tech Pulse
New Semiconductor Lithography Makes a Splash
Semiconductor manufacturers are about to be all wet. But that's a good thing. A new technique called immersion lithography could allow the industry to continue tracking Moore's law, which forecasts...
Tunable Dispersion Compensator Uses Micromirrors
At Sumitomo Electric Industries Ltd. in Yokoha-ma, Japan, engineers have developed a device based on microelectromechanical systems (MEMS) technology that provides tunable dispersion compensation...
Hybrid Bragg Grating Enables Optical Current Sensor
Engineers at City University of Hong Kong have demonstrated a compact, inexpensive optical sensor for alternating and direct currents. The sensor, based on a fiber Bragg grating, has a low...
Quantum Dots Suitable for Computing
Quantum computers promise to enable immense computing power in systems based on units of information called qubits, which are similar to the binary bits in today's classical computers but which also...
Minilaser Is Tunable, Single-Frequency Source at 1.5 µm
A widely tunable, single-frequency laser operating in the 1.5-µm spectral region has application not only in testing and qualifying C-band telecom components, but also in Doppler-shifted velocity...
New Holey Fiber Is Easy to Manufacture
Scientists at Virginia Polytechnic Institute and State University in Blacksburg have developed a new form of holey fiber that is easier to fabricate than previous types. They call it "random-hole...
A New Tunable Optical Filter
Tunable optical filters are versatile devices with a place in a host of photonic applications. They are essential in wavelength-flexible wavelength division multiplexing systems, and they also can...
Chalcogenide Fibers Show Promise as Raman Lasers
Lasers in the 2- to 10-µm region are important for a number of spectroscopic, remote sensing and military applications. Raman fiber lasers offer one approach to such lasers, but the relatively low...
light speed
Spectra-Physics Expands in China
With the opening of a subsidiary in Beijing, Spectra-Physics of Mountain View, Calif., has expanded its operations in China. Spectra-Physics China will provide sales, service and support to the country's market for laser systems, photonic components and OEM subsystems. It will offer optical filters, research and OEM lasers, application-specific charge-injection device imaging arrays and camera...
Avanex to Purchase Optical Systems Unit of Vitesse
With a view to expanding its transponder line and further developing systems that integrate optics, electronics and hard- and software, Avanex Corp. of Fremont, Calif., is acquiring certain assets of...
Montana Firm Wins S2-Chip Technology Funding
To further develop S2-Chip technology for improved radar systems, Scientific Materials Corp. of Bozeman, Mont., has received a one-year contract worth $1,531,000 from the US Army Space and Missile...
Headwall Photonics Is Launched
Headwall Photonics Inc. has achieved a management buyout of the spectral module and holographic diffraction grating unit of Agilent Technologies in Fitchburg, Mass. Consisting of assets and funding...
PI Establishes NanoInnovation Grant
Polytec PI Inc. of Auburn, Mass., has announced an annual award worth $25,000 to support the work of US and Canadian graduate and postdoctoral researchers in the fields of optics, nanotechnology and...
Rockwell to Supply Spectacles for Laser Protection
Under a two-year, $5.9 million contract, Rockwell Scientific Co. LLC of Thousand Oaks, Calif., will supply laser-protective eyewear to the US Air Force. Designed and produced under the Aircrew Laser...
EaglePicher Cedes Optical-Grade Germanium Leadership to Umicore
With Belgium-based Umicore SA's purchase of key germanium assets from EaglePicher of Quapaw, Okla., the domestic makeup of the market for the strategic material has shifted. Acquired for roughly $15...
Accent on Applications
Photonics Detects Wildfires
The fire season of 2002 was the second worst in 50 years, burning more than 7 million acres and engulfing Arizona, Colorado and Oregon. The devastation was a wake-up call to authorities charged with protecting the nation's parks and wilderness areas, and motivated private citizens to take aggressive action to protect their homes and property. Data collected via satellite can be used for early...
Optical Stimuli Control Magnetism in Novel Materials
In 1886, Heinrich Hertz observed that utraviolet light, when directed at a conduction plate, caused an increase in electrical charge. Einstein later articulated this as the photoelectric effect and...
Grating Shrinks Endoscope
Endoscopes provide high-resolution color images in real time for a range of medical applications, but these instruments are too large for procedures such as fetoscopy and pediatric surgery. A...
Presstime Bulletin
Single Nanotubes Display Steady, Narrow Emissions
Reporting in the Sept. 4 issue of Science, researchers at the University of Rochester in New York and at Universität Siegen in Germany describe their identification of constant, narrow-linewidth...
New Ring Laser Design Promises Telecom Improvement
Ring microlasers have proved useful in many applications, including optical communications, spectroscopy and photochemistry. A new approach to ring lasers has been proposed and analyzed by Amnon...
'Smart Dust' Self-Assembles and Self-Orients
Micron-size, chemically asymmetric photonic crystals that were developed at the University of California, San Diego, in La Jolla target organic liquid/water interfaces and orient themselves to...
Buckyballs Enhance Third-Order Optical Nonlinearity
Scientists at the University of Toronto and at Carleton University in Ottawa have produced polyurethane optical films containing buckyballs that exhibit third-order optical nonlinearity at near-IR...
Products
OPTICAL COMPONENT MEASUREMENT
The enhanced version of Luna Technologies' Optical Vector Analyzer features automatic internal calibration, higher measurement accuracy and a universal connector capability. The instrument uses...
Luna Innovations Inc.
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EPOXY RESIN
FH-5313A epoxy resin is available from Andover Corp. in 16-, 32-, 64- and 128-oz kits. The electric grade resin is 100% solid, optically clear, NASA approved and meets the requirements of General...
Andover Corporation
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PULSE SHAPER
The Nopa Pulse Shaper from Clark-MXR Inc. is a noncollinear optical parametric amplifier that generates pulses of arbitrarily shaped phase and amplitude by means of an embedded acousto-optic...
Clark-MXR Inc.
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FIBER-COUPLED LASER MODULES
Blue Sky Research has released its FiberTec line of laser modules that incorporate control, monitor and drive electronics; a thermoelectric cooler; microlens optics; and single-mode fiber pigtail in...
Blue Sky Research
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LASER DIODE CONTROLLERS
VueMetrix has expanded its Vue series compact laser diode controllers with the Vue-HC line, which includes 45- and 90-A CW and 50- and 100-A quasi-CW devices. All combine the driver and diode mount...
VueMetrix
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FLUORESCENT LINEAR LAMPS
StockerYale Inc. has released the SL and IL series 40- and 52-in.-long fluorescent linear lamps with high-frequency drivers that produce flicker-free illumination for machine vision, packaging, food...
ProPhotonix Ltd.
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MODULATORS
Photline Technologies has released the NIR-LN series LiNbO3 modulators for 1064-nm and near-IR applications. They are produced using proton exchange and are hermetically sealed. The modulators have...
Exail
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STEPPER MOTOR CONTROLLER
The peripheral component interconnect (PCI) high-speed stepper motor controller introduced by Prior Scientific Inc. controls the microscope stage, joystick, focus motor, filter wheels and shutters...
Prior Scientific Inc.
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INTEGRATED CIRCUITS
Hamamatsu Corp. says that the small package, the high output current and the ease of use of its S9066/S9067 photo integrated circuits make them suitable for light-level measurement designs, including...
Hamamatsu Corporation
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BEAM SHAPER
Holo-Or Ltd. announces its Top-Hat beam-shaper with a 15-µm-diameter spot for a 355-nm laser. It creates uniform spots with 90% efficiency and sharp transfer regions. It can be used for...
Holo/Or Ltd.
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ACHROMATIC WAVE PLATES
Tower Optical Corp. has released a line of achromatic wave plates that cover the 465- to 610-nm, 700- to 1000-nm and 1200- to 1650-nm wavelengths, ranging from the visible to the IR. They have a...
Tower Optical Corp.
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VCSEL ARRAY
The Specdilas-V-763-MTE-2X4L VCSEL diode laser array from Laser Components GmbH is an eight-element single-mode array mounted on a thermoelectric cooler. Each emitter in the 2 X 4 array has a...
Laser Components Germany GmbH
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CO2 LASER
Coherent Inc. has expanded its laser product line with the introduction of the Diamond K-300, a hard-sealed, 10.6-µm, 300-W CO2 laser that replaces the Diamond K-250 and has the same compact...
Coherent Inc.
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MEGAPIXEL CAMERA
A high-resolution five-megapixel camera has been added to the AxioCam family from Carl Zeiss Ltd. The MRc5 has a dynamic range of 1:1300 and produces needle-sharp color images, according to the...
Carl Zeiss Microscopy LLC
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LIGHT CONTROLLERS
Operations Technology Inc. has released two LED light controllers for use with high-magnification zoom and fixed lenses in machine vision and microscopy applications. Both the single-channel and the...
Operations Technology Inc. (OPTEK)
SCAN GENERATORS
Toptica Photonics AG's miniScan 100 and 102 scan generators offer outputs adjustable from 0.1 to 200 Hz, suitable for Fabry-Perot interferometer applications. The stand-alone units accept 115 and 230...
Toptica Photonics AG
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MICROMEASUREMENT
Optical Gaging Products Inc. announces the Feather Probe option for its video and multisensor SmartScope measurement systems. The device uses a proprietary technology to provide single-point probing...
OGP (Optical Gaging Products)
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CRYSTAL SLICERS
Fixed abrasive slicing technology equipment has been designed by Crystal Systems for use in the optics, optoelectronics and semiconductor industries. The machines employ a fixed diamond abrasive on...
GT Advanced Technologies, Advanced Materials Group
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PIEZOELECTRIC POSITIONER
The Tritor 100 SG Compact is a three-axis piezoelectric nanopositioner that provides 100-µm motion per axis. Suitable for optics and laser tuning, fiber positioning, micropositioning, imaging...
piezosystem jena GmbH
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LUMINANCE MEASUREMENT
The luca luminance measurement system from opsira GmbH is now available with a FireWire interface. The company says that the device can be used without a frame grabber plug-in card and that it...
opsira GmbH
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BEAM HOMOGENIZATION
A monolithic V-step optic module from ingeneric gmbh divides an original laser beam into a number of partial beams, rotates them by 90° around the axis of the direction of propagation, and...
INGENERIC GmbH
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WAFER POSITIONING
Newport Corp. has launched its 300-mm air-bearing wafer positioning system, which the company says offers high throughput and flexibility through six axes of precision motion control, including an...
MKS/Newport
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SPECTRORADIOMETER
The GS-1253-LED from Gamma Scientific is a laboratory-grade LED spectroradiometer that the company says offers high measurement and color accuracy, linearity and repeatability. The NIST-traceable and...
Gamma Scientific
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SUPERLUMINESCENT LEDs
DenseLight Semiconductors Pte Ltd. has extended its line of superluminescent LEDs. At 1550 nm, the DL-CS5203A produces 20 mW and the DL-CS5107A, >10 mW with a bandwidth of 60 nm. The instruments...
DenseLight Semiconductors Pte. Ltd.
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PULSE FORM ANALYSIS
The TR-9600 from Gigahertz-Optik Inc. is a high-speed data logger and pulse form analyzer for use with xenon flashlamps and pulsed IR LEDs and lasers. It combines a 100-ns-slew-rate signal amplifier...
Gigahertz-Optik Inc.
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SOFTWARE UPGRADE
Besides Windows 98SE, NT, 2000 and XP, Euresys SA has added Linux support to its image analysis software and frame grabbers. The company says that its customers can now combine the ease of use of the...
Euresys SA
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LASER DIODES
The pulse-proof characteristics of laser diodes from Osram Opto Semiconductors have been increased by more than an order of magnitude with the use of a new material that employs a single quantum-well...
Osram Opto Semiconductors Inc.
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PHOTON COUNTING
The DPC-BA and the DPC-MA photon counting detector modules from C&L Instruments Inc. include a package with C-mount threads for use with camera ports on standard microscopes, and a photon...
C & L Instruments Inc.
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INTELLIGENT CAMERA
Vision Components GmbH has increased the processing speed of its Pictor intelligent camera tenfold, to 1200 million instructions per second, enabling parallel image processing and simultaneous...
Vision Components GmbH
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INSTRUMENTATION MODULES
Stanford Research Systems has released Sim, small instrumentation modules that are configured as a compact test and measurement platform that features front-panel and remote operation. Eight modules...
Stanford Research Systems Inc.
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LIGHT-CURED ADHESIVE
The MD 1193-M-VLV medical device adhesive from Dymax Corp. was formulated to bond needles, syringes and other stainless steel cannula to polycarbonate, PVC and polypropylene hubs. The acrylic's low...
Dymax, Headquarters
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LASER POWER PROBE
Ophir Optronics Inc. has introduced a battery-operated, handheld, high-power and high-precision probe that measures laser power from 200 to 10,000 W. The Comet is calibrated for CO2, YAG and diode...
MKS Ophir, Light & Measurement
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BEAM EXPANDERS
Custom-designed beam expanders/collimators with positioning systems from Standa Optomechanical Products include models 10BE01-2.5X-NK and 10 BE01-5X-NK, which are available, respectively, with...
STANDA UAB
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MULTIPLE-VIEW IMAGING
The Poly Optical Fiber Device from Volpi Manufacturing USA is a camera lens that uses flexible coherent fiber optic lightguides to enable a machine vision camera to simultaneously capture up to eight...
Volpi USA
FIBER LASER
The Visible model ELP-775 fiber laser from IPG Photonics Inc. offers single-mode output from 5 to 30 W and selectable wavelengths between 770 and 780 nm. It has beam quality of M2<1.1, >10%...
IPG Photonics Corporation
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CAMERA LINK PRODUCTS
Vivid Engineering has introduced a series of products for systems based on the Camera Link interface standard. The CLS-201 test pattern generator simulates the characteristics of most cameras. The...
Vivid Engineering
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CAMERA SHUTTERS
Sunex Inc.'s SHT914 miniature mechanical shutters with a front protective window are suitable for still-picture applications with megapixel digital cameras based on CMOS or CCD sensors. The shutter...
Sunex Inc.
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DIGITAL CAMERA
Soft Imaging System's ColorView III high-resolution digital color camera features 2576 X 1932-pixel resolution and exposure time from 1 ms to 160 s. The Peltier-cooled device offers high dynamic...
Olympus Soft Imaging Solutions Corp.
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High-Resolution 1550-nm Converter for CCD Cameras
Edmund Industrial Optics now carries a 1550-nm converter that extends CCD cameras into the near-IR. This converter is ideal for beam profiling, imaging or alignment applications where working in the...
Edmund Optics Inc.
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Laser Diode Testing Service
ILX Lightwave, the world leader in laser diode test instrumentation and test systems, is now offering testing services on a contract basis. Services are offered for a wide range of laser diodes...
Newport - ILX Lightwave, Photonics
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Simply Better Photonics Tools
For more than 10 years, New Focus has been a leader in creating simply better photonics tools and solutions for commercial and research applications. Now in our second decade, we continue to actively...
Newport - New Focus
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375-nm, 10-mW UV Laser Diode Module
Now available from Power Technology Inc. is a new higher-power ultraviolet IQ (instrument quality) laser diode module. At 375 nm, ±5 nm, the module yields up to 10 mW of UV output. The unit...
Power Technology Inc.
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