Now Streaming: Catch the Raman Spectroscopy Summit On-Demand
Register
Sign In
Subscribe
Advertise
Publications
Photonics Spectra
BioPhotonics
Vision Spectra
Photonics Showcase
Photonics Buyers' Guide
Photonics Handbook
Photonics Dictionary
Newsletters
Bookstore
News & Features
Latest News
Latest Products
Features
All Things Photonics Podcast
By Technology
Lasers & Light Sources
Optics
Materials & Coatings
Imaging
Sensors & Detectors
Test & Measurement
Integrated Photonics
Spectroscopy
Biophotonics
Machine Vision
Marketplace
Supplier Search
ProdSpec Product Search
Career Center
Webinars & Events
Webinars
Photonics Media Virtual Events
Industry Events Calendar
Resources
White Papers
Videos
Contribute an Article
Suggest a Webinar
Submit a Press Release
Subscribe
Advertise
Become a Member
Publications
Photonics Spectra
BioPhotonics
Vision Spectra
Photonics Showcase
Photonics Buyers' Guide
Photonics Handbook
Photonics Dictionary
Newsletters
Bookstore
News & Features
Latest News
Latest Products
Features
All Things Photonics Podcast
By Technology
Lasers & Light Sources
Optics
Materials & Coatings
Imaging
Sensors & Detectors
Test & Measurement
Integrated Photonics
Spectroscopy
Biophotonics
Machine Vision
Marketplace
Supplier Search
ProdSpec Product Search
Career Center
Webinars & Events
Webinars
Photonics Media Virtual Events
Industry Events Calendar
Resources
White Papers
Videos
Contribute an Article
Suggest a Webinar
Submit a Press Release
Subscribe
Advertise
Become a Member
Register
Sign In
Photonics Spectra - April 2002
Subscribe
Advertise
Issue Library
Features
Optical Power Meters
Despite the downturn in the telecommunications industry, traffic volume continues to grow. Network providers will need additional capacity, and equipment designers must continue to push system limits toward higher bit rates and denser channel spacing.The state-of-the-art commercial dense wavelength division multiplexing (DWDM) systems employ 80 to 160 channels with 50-GHz spacing. Systems with...
Assessing Damage for UV-Laser-Resistant Fused Silica
The heart of any optical lithography tool is its illumination and projection system. The illumination system preconditions the laser beam and provides the optical path from the laser to the...
Optical Fiber
At the beginning of 2001, manufacturers of optical fiber couldn’t make the stuff fast enough. By midyear, the economic boom’s bubble had burst, and the world’s leading suppliers...
Lasers Lighten the Laboratory Load
Laser manufacturers take note: A nonscientific survey indicates that scientists want a highly tunable turnkey laser with configurable pulse widths and repetition rates. It should be easily...
Polyphenyl Ethers
These short-chain cyclic compounds are linked by oxygen atoms. A characteristic formulation has two to eight aromatic groups, or rings, allowing PPEs to retain their chemical and performance...
The Incredible Shrinking IR Camera
Many interesting and important IR imaging applications remain limited by the practical and economic barriers of camera technology; namely, camera size, weight and power consumption. A typical example...
Machine Vision
Thanks to LEDs and off-the-shelf CCD camera technology, robots can now insert automotive windshields on the fly as a car moves along the production line. The first such application in the world is...
Tech Pulse
Unmanned-Aircraft Sensor Could Detect Cave Dwellers
A sensor suite designed for unmanned aircraft promises sensitivity and resolution high enough to detect human activity in caves. The proposed Airborne Infrared Surveillance sensor would consist of...
Laser Tweezers Transport Cell-Size Liposomes
Researchers at Kyoto University in Japan have demonstrated a method to trap and transport cell-size liposomes with laser tweezers. Liposomes can carry chemicals such as enzymes, DNA or RNA and remain...
Laser Enables Robust Quantum Communication
Quantum communication is the key to such advances as quantum computing and encryption. In a nutshell, quantum communication means transferring entanglement -- identical quantum states -- over long...
Method Proposed for Single-Cycle Pulses
Using computer simulations, researchers from the University of California and the University of Southern California, both in Los Angeles, have proposed a method to use the phenomenon of particle...
Near-Field Optics Pattern Photosensitive Sol Gel Films
Scientists from École Polytechnique in Palaiseau, France, have created nanometer-scale patterns in thin sol-gel films containing azobenzene moieties by using the light from a near-field optical probe...
Measurement Offers Insight into Diodes
Unamplified spontaneous emission and gain spectra offer insight into the behavior of semiconductor laser materials and structures. But the analytical methods that use them require complex materials...
Near-Field Microscopy Maps Nanoscale Material Compositions
Far-field microscopy techniques typically cannot map different types of materials on multicomponent nanostructures because the associated wavelength limit causes blurring of the image. Researchers...
Laser Emissions Induced in Micron-Scale Silicon Aggregates
Researchers from the University of Illinois in Urbana-Champaign have induced 610-nm laser emissions in aggregates of silicon as small as 8 µm in diameter. The aggregates were formed by dispersing...
Welding System Monitors Gas Shield
Although laser welding is widely used in manufacturing, it has not yet found a home in the aerospace industry. The technique would be an attractive tool in this sector if its reliability could be...
Laser System Detects Explosives Remotely
Traditionally, the most sensitive techniques for detecting explosives have involved sampling and analyzing the air near a suspected bomb. This is time-consuming and potentially dangerous. Now a team...
Quantum Hall Far-IR Photodetector Evaluated
The ability of modulation-doped AlGaAs/GaAs heterojunctions to detect far-IR radiation has been known for almost two decades, but only recently has the technology evolved into a high-sensitivity,...
Dye Lases by Three-Photon Excitation
Researchers at State University of New York in Buffalo have developed an organic dye that absorbs three photons of infrared radiation to produce stimulated emission at 553 nm. Because of its...
Quantum Dots Offer Single Photons
Quantum key distribution systems promise to enable unbreakable codes for the transmission of sensitive data. A group at Toshiba Research Europe Ltd. and Cambridge University, both in Cambridge, UK,...
Ruthenium-Doped Nanotubes Fluoresce
Using a chemical vapor-deposition technique, a research team from Pennsylvania State University in University Park and the Center for Applied Energy Research in Lexington, Ky., has fabricated...
Raman Laser Displays 62-µW Threshold
Raman lasers promise applications in telecommunications as sources for component testing and as pumps for erbium-doped fiber amplifiers, but they have tended to require significant input powers....
Ringdown Caught with Single Shot
A team from Los Gatos Research in Mountain View, Calif., has developed a modified version of ringdown spectroscopy that obtains information about a trace molecule's absorption spectrum over a large...
Fiber Measures Behavior of Adhesives
At Corning Inc.'s Science and Technology Div. in Corning, N.Y., scientists have developed a technique that accurately predicts the photothermal behavior of the optical-path adhesives that connect...
Antenna Produces High-Energy Terahertz Radiation
Researchers from the University of Electrocommunications in Tokyo and NEC Corp. in Kanagawa, Japan, have produced terahertz radiation with an energy density of 10 µJ/cm2 from a photoconductive...
light speed
Companies Unite on Standards for Compact Fiber Amplifiers
Compact erbium-doped fiber amplifiers produced by Agere Systems, Alcatel Optronics and Nortel Networks will conform to specified packaging dimensions, pin functionality, and optical and electrical characteristics as a result of a multisource agreement among the companies. The standardization will give optical systems manufacturers multiple sources for components that could be incorporated into...
A Cautionary Tale: The Flat Panel Display Initiative
The war on terrorism has spawned renewed interest in photonic sensor technology for detecting everything from stray nuclear weapons to smallpox. As companies weigh patriotism against profit, they...
Olympus Fosters Partnership Development
While companies like Lucent Technologies, Compaq Computer, Enron, Global Crossing and a host of others are either scaling back or abandoning their venture capital holdings, Olympus Integrated...
Firm Develops Flexible, Transparent Displays for Military Use
Universal Display Corp. will determine the suitability of three of its organic LED technologies -- high-efficiency phosphorescent, transparent and flexible LEDs -- for use as clear, low-power,...
Growth Is Predicted for FO Isolator Consumption
The global consumption value of fiber optic component isolators will rise from $296.3 million in 2001 to $672.7 million by 2006, according to ElectroniCast's Fiber Optic Isolator Global Market...
Agilent Technologies Gifts $1 Million in Photonic Lab Equipment
Agilent Technologies will donate equipment valued at $1 million to Sonoma State University in Rohnert Park, Calif., to create an engineering science laboratory. Equipment will include optical...
Raytheon, ITT Ally to Improve Night-Vision Technology
Raytheon Co. of Dallas and ITT Industries Night Vision of Roanoke, Va., have agreed to combine their expertise in thermal imaging and image intensification to produce night-vision sensor-fusion...
Accent on Applications
Lasers Get to the Bottom of Bad Beer
Anyone who has tasted beer that has been exposed to too much sunlight will recall a uniquely unpleasant flavor, followed by shudders. The light transforms the beer, producing a sulfur compound that...
Optical Bench Supports Research
As photonics strives to reach parity with the semiconductor industry, the quest for automated fiber alignment and packaging solutions has become the focus of an industry bent on high-volume...
Optical Setup Explores Microbes and Minerals
Despite concerted efforts by the Department of Energy to clean up radioactive waste at bioremediation sites in Hanford, Wash., and Oak Ridge, Tenn., progress is going very slowly. Jill Scott, a...
Rotators Stop the Feedback
High-power laser beams present unique challenges to laser designers. When Positive Light Inc. agreed to build a glass-amplified laser for the Japan Atomic Energy Research Institute, it combined...
Presstime Bulletin
Optical Tweezers Expose DNA
Researchers at Cornell University in Ithaca, N.Y., and University of Massachusetts Medical School in Worcester have used laser tweezers to reveal the uncoiling of DNA in a nucleosome. The work, which they reported in the Feb. 19 issue of Proceedings of the National Academy of Sciences, suggests that DNA is released in three stages for reading by other molecules. By applying force to a strand...
Pulse Shaping Increases CARS Resolution
Coherent anti-Stokes Raman spectroscopy (CARS) is becoming the technique of choice for femtosecond time-resolved studies, say researchers at Weizmann Institute of Science in Rehovot, Israel, but its...
Nanocrystals Enable Near-IR Organic LEDs
By incorporating InAs-based nanocrystals in a semiconducting polymer, a team at Technion-Israel Institute of Technology in Haifa and Hebrew University in Jerusalem has developed an organic LED that...
Laser Boosts Engine Efficiency?
There are many engineers out there tinkering to improve the performance of the automobile engine. Marlan O. Scully of Texas A&M University in College Station has taken it a step further, with the...
Hologram Directs Atom Lithography
A team at Universität Bonn and Universität Osnabrück, both in Germany, has combined holography and atom lithography to control the selective etching of a carbon-coated gold surface. The technique,...
Catalyst Yields Nanocarrots and Nanocomets
At Georgia Institute of Technology in Atlanta, researchers investigating the use of molten gallium as a catalyst for the growth of silicon nanowires have fabricated novel silica nanowire structures....
Carbon Monoxide Detector Displays Supersensitivity
A carbon monoxide sensor developed by researchers at Rice University in Houston, Lucent Technology Inc.'s Bell Labs in Murray Hill, N.J., and Physical Sciences Inc. in Andover, Mass., may find...
Aerosols Brighten Clouds
It was suggested 25 years ago that industrial aerosols promote cloud formation, thereby increasing the Earth's albedo and cooling it. Now a research team at Brookhaven National Laboratory in Upton,...
Waveguide Boosts Capillary Biosensor Sensitivity
A capillary biosensor developed by researchers at the Naval Research Laboratory in Washington and the State University of New York in Binghamton displays a detection limit of 30 to 50 pg/ml, thanks...
Products
WAFER ETCHING
Solid State Equipment Corp. offers single wafer etch processors that perform end-point detection and wet etching. These Trilennium wafer processors have a color CCD processor with a programmable,...
Veeco
Request info >
PIN PHOTODIODES
Six-element silicon PIN photodiodes released by Hamamatsu Corp. operate over the spectral response range from 320 to 1000 nm. The S6795 and S7747 achieve peak sensitivity at 800 nm and offer typical...
Hamamatsu Corporation
Request info >
MONITOR PHOTODETECTOR
Spectrolab Inc. offers a germanium-based monitor photodetector for use in fiber optic telecommunications systems. The 4-in. wafer features wide-bandgap passivation layers, MOVPE diffusion and quantum...
Spectrolab Inc.
Request info >
COLOR SENSORS
Texas Advanced Optoelectronic Solutions (Taos) Inc. has developed three reflective color sensors, each of which detects and reflects a primary color: The TRS1722 sensor emits red; the TRS1755, green;...
AMS-TAOS USA Inc.
Request info >
ADHESIVE DISPENSING PEN
The MicroPen from EFD Inc. is a dispensing tool for use in fiber optic assembly processes that require precise amounts of two-part epoxies and UV-cure adhesives. It produces deposits down to 0.004...
Nordson EFD
Request info >
OXIDE SINGLE CRYSTALS
Stoichiometric LiNbO3 and LiTaO3 single crystals grown by Oxide Corp. have applications in optical storage, telecommunications and frequency doubling with parametric conversion. Unlike congruently...
Oxide Corp.
Request info >
FO ADHESIVES
Dymax Corp. has released a line of adhesives for fiber optic assembly, including fixturing and positioning adhesives, adhesives with refractive indices from 1.42 to 1.58 for use in the optical...
Dymax, Headquarters
Request info >
SURFACE INSPECTION
Wintriss Engineering Corp. has released the Opsis LightRanger light source, which provides an intensity of 100,000 lx at 4 ft, with a uniform 2-in. illumination line across a web. Designed for...
Wintriss Engineering Corp.
Request info >
CONTROL SOFTWARE
LabView 6.1 graphical development software from National Instruments allows users to embed an application's front panel in a Web browser for real-time testing, monitoring and control in multiple...
National Instruments Corp.
Request info >
CHILLER
The TEC 600 thermoelectric chiller from Bay Voltex Corp. has a high-flow/high-pressure gear pump and a 600-W cooling capacity -- a combination suitable for laser, laboratory, semiconductor or small...
BV Thermal Systems
Request info >
Nd:YAG LASER WELDER
Designed for precision automated spot welding applications, the K series of Nd:YAG laser sources from Laservall North America LLC is available in power ranges from 20 to more than 70 W....
LNA Laser Technology
Request info >
DIODE-PUMPED LASERS
Diode-pumped solid-state lasers in 405-, 475-, 532- and 1064-nm wavelengths are available from Edmund Industrial Optics for applications in wafer inspection, micromaterials and signal processing,...
Edmund Optics Inc.
Request info >
LASER DIODE MOUNT
ILX Lightwave Corp. has announced a miniature laser diode mount for use with high-power dual-inline (DIL) packages. The mount, based on the company's LDM-4982 chassis, offers a 14-pin ZIF socket and...
Newport - ILX Lightwave, Photonics
Request info >
LASER MARKING
The Runner model ZR line laser from Z-Laser Optoelectronik GmbH projects a visible red line of 2 to more than 5 m for laser marking applications. Packaged in an aluminum housing that measures 40 x...
Z-LASER GmbH
Request info >
FIBER-PIGTAILED LASERS
The DL Series high-power fiber-pigtailed laser systems from IPG Photonics Corp. are available in output powers of 2 to 100 W and in continuous-wave or pulsed operation at 965 nm. The lasers are...
IPG Photonics Corporation
Request info >
BLUE SOLID-STATE LASER
Crystal GmbH has introduced a 473-nm solid-state laser for various OEM applications, including analysis and lithography. The FDSS473 is smaller than a computer mouse and has an air-cooled laser head...
CRYSTAL GmbH
Request info >
OPTICAL SUBASSEMBLY
NEC Corp. and California Eastern Laboratories (CEL) have introduced a miniature optical subassembly suitable for use in small-form-factor and small-form-pluggable transceiver modules. The subassembly...
California Eastern Laboratories (CEL)
Request info >
OPTICS MOUNTS
Cockrill Precision Products offers mounting rings for finishing and protecting the edges of lenses, filters, gratings, pellicles and mirrors. The aluminum mounting rings are machined to ±0.05 mm and...
Cockrill Precision Products
Request info >
FUSED SILICA FILTERS
Omega Optical Inc. manufactures its 3rd Millenium filters using proprietary Alpha technology to produce steep cut-on and cut-off slopes. The steep slopes allow precise location of cut-on and cut-off...
Omega Optical LLC
Request info >
OPTICAL CRYSTALS
INO's periodically poled lithium niobate crystals generate optical frequency conversion by creating quasi-phase matching between two optical signals. The crystals can be used with an optical...
INO
Request info >
OPTICAL ATTENUATOR
A liquid crystal variable optical attenuator designed for power management in optical networks has been announced by Lightwaves2020 Inc. This voltage-controlled attenuator has a dynamic range of 20...
Lightwaves2020 Inc.
Request info >
MOTION CONTROL
A motion control developer's kit for the PCI bus has been announced by Performance Motion Devices Inc. The kit includes a PCI motion control board with the company's single-axis Pilot or multiaxis...
Performance Motion Devices Inc.
Request info >
CALIBRATION
Scanlab AG says that its gridScan calibration set can determine image field distortions precisely and provide correction data quickly and on location. System requirements include Windows...
SCANLAB GmbH
Request info >
LIGHTWEIGHT BREADBOARDS
Vibralite lightweight breadboards from Kinetic Systems Inc. provide a flat, stable surface for OEM applications such as prototyping, mounting lasers and small optical systems, optical assembly and...
Kinetic Systems Inc.
Request info >
VIS-NIR SPECTROMETER
The USB2000-VIS-NIR spectrometer from Ocean Optics Inc. combines a 2048-element linear CCD array detector, a 25-µm entrance slit and a grating with 600 lines per millimeter to deliver optical...
Ocean Optics - Part of Ocean Insight
Request info >
OPTICAL SIGNAL TESTING
The USB2000-VIS-NIR spectrometer from Ocean Optics Inc. combines a 2048-element linear CCD array detector, a 25-µm entrance slit and a grating with 600 lines per millimeter to deliver optical...
FiberControl
Request info >
ANALYSIS SOFTWARE
TracePro version 2.4 illumination and optomechanical analysis software has been released by Lambda Research Corp. It offers a graphical user interface that can visualize RepTile surfaces and...
Lambda Research Corp.
Request info >
PMD ANALYZER
Exfo Electro-Optical Engineering Inc. has enhanced its FPMD-5600 femtosecond polarization mode dispersion (PMD) analyzer. It now enables optical component manufacturers to ensure that PMD and...
EXFO Inc.
Request info >
NIR SPECTROMETERS
The EPP2000-NIR-HR high-resolution near-IR spectrometers from StellarNet Inc. can achieve resolutions down to 0.05 nm, depending on the model range, detector and slit size. Each of the four models...
StellarNet Inc.
Request info >
NEAR-IR ANALYZER
The QualitySpec TI near-IR analyzer from Analytical Spectral Devices Inc. provides in-line quality control for the blister packaging of pharmaceutical tablets. The company says the instrument rejects...
ASD Inc.
OPTICAL POWER METERS
The 510-Series optical power meters provide autoranging readout in nanowatts, microwatts, milliwatts, decibels and decibels above 1 mW. These devices from Cercis Inc. are available with...
Cercis Inc.
Request info >
JITTER ANALYSIS
An instrument for optical jitter measurement designed to accelerate the design and production of 10-Gb/s SONET/SDH equipment for core metro networks is available to telecom equipment manufacturers....
Tektronix Inc.
Request info >
Latest News
Teledyne FLIR Defense Awarded $249M IDIQ Contract: Week in Brief: 4/19/24
Apr 19, 2024
Fraunhofer ILT Takes Lead on PriFUSIO Fusion Energy Project
Apr 19, 2024
EPIC Names Recipients of Lifetime Achievement, CEO Awards
Apr 18, 2024
Bruker Enters into Acquisition Deal with NanoString Technologies
Apr 18, 2024
Hamamatsu Europe, Vrije Universiteit Brussel Partner to Foster Photonics Industry Growth
Apr 18, 2024
OptoSigma Bolsters Presence in Germany, Central Europe
Apr 18, 2024
Gentec-EO Appoints Vice President of Sales and Marketing: People in the News: 4/17/24
Apr 17, 2024
Shield AI, Sentient Vision Systems Combination Augments Defense Sensing
Apr 17, 2024
PhotonVentures Reaches $79M Funding Target
Apr 16, 2024
Low-Power Lasers Prepare Polymers for Electronic, Bio, and Nano Tech
Apr 16, 2024
Latest Products
Combination Transceiver Module
Integra Optics
High-Speed SWIR Camera
New Imaging Technologies (NIT)
AI FPGAs
Intel Corp.
Nano-Focus Scanners
PI (Physik Instrumente) LP, Motion Control, Air Bearings, Piezo Mechanics
COB Module
Violumas Inc.
Zoom-Enabled 3D Scanner
Hexagon AB
Infrared Glass
LightPath Technologies Inc.
LED Lighting Controllers
Advanced illumination (Ai)
AI 3D Vision System
Cognex Corp.
Portable 3D Scanner
3DMakerPro
Explore Our Content
News
Features
Latest Products
Webinars
White Papers
All Things Photonics Podcast
Videos
Our Summits & Conferences
Industry Events
Bookstore
Join Our Community
Subscribe
Advertise
Become a member
Sign in
Contribute a Feature
Suggest a Webinar
Submit a Press Release
Mobile Apps
About Us
Our Company
Our Publications
Contact Us
Career Opportunities
Teddi C. Laurin Scholarship
Terms & Conditions
Privacy Policy
California Consumer Privacy Act (CCPA)
©2024 Photonics Media
100 West St.
Pittsfield, MA, 01201 USA
[email protected]
We use cookies to improve user experience and analyze our website traffic as stated in our
Privacy Policy
. By using this website, you agree to the use of
cookies
unless you have disabled them.