Photonics Spectra

Kaman Aerospace to Develop Sensor Subsystem for the US Navy
The US Navy has selected Kaman Aerospace Corp.'s Electro-Optics Development Center to participate...

Secondary Measures: Used Equipment Sells
Faced with a lack of capital, many companies that might never have considered purchasing equipment...

UV-IR Optics Supplier Enters the Market
A new company, Medway Optics Ltd. of Rainham, UK, specializes in the supply of high-precision...

Companies Sign VCSEL Distribution Agreement
Richardson Electronics Ltd., a provider of systems and components for RF, wireless and fiber optic...

Shipley Co. to Acquire Haleos Inc.
Shipley Co. LLC, a subsidiary of Rohm and Haas Co., will pay $3.1 million for the assets of Haleos...

Preco Industries Purchases Laser Machining Inc.
A designer and manufacturer of materials processing equipment, Preco Industries Inc. of Lenexa,...

Optoelectronics Company Opens Its Doors
Cergence Inc. has announced its entry into the optoelectronics industry. The firm will provide...

Leica Microsystems Appoints New CEO
Gerhard Kleineidam has been named CEO of Leica Microsystems AG of Wetzlar, Germany. He takes over...

Contract Enlists Lasers in Defense Against Chemical Weapons
The US Army Soldier and Biological Chemical Command has enlisted ITT Industries Inc. of White...

Photronic Devices, CyOptics Form Joint Effort
Photronic Devices of West Bridgewater and CyOptics of Waltham, both in Massachusetts, have formed a...

KVH and ABB Collaborate on Optical Current Sensor
Under a product development agreement, KVH Industries will work with ABB's Power Technology...

TRW Wins Space Telescope Contract
The contract to build the successor to the Hubble Space Telescope has gone to TRW Inc. of Redondo...

Salira Begins China Operations
Salira Optical Network Systems Inc. of Santa Clara, Calif., expanded its sales and marketing...

Photonic Products Ltd. Opens California Office
Photonic Products Ltd., based in Bishops Stortford, UK, expanded its service and scope of...

Exfo to Acquire Assets of Gnubi Communications
Exfo Electro-Optical Engineering Inc. of Quebec has signed an agreement to purchase the assets of...

Feature Articles

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Microelectromechanical Systems: A Little Shake, Rattle and Roll
Researchers in academic and industrial laboratories are harnessing the power of...

Spectroscopy: What's My Laser Line?
When lasers first emerged from the laboratory, spectrometric analysis was among the technology's...

Machine Vision Guides Photonic Device Placement
Automating photonic device assembly processes can seem daunting. In a typical application,...

Photonics Food Detectives
Whether inspecting for E. coli O157:H7 on a slab of beef or for ethylvinylacetate in a hot dog...

The Practicalities of Building Reliable Deep-UV Optics
When microlithography at 157 nm was first being investigated several years ago, optics that could...

Better Test Systems Boost Laser Diode Performance
Semiconductor laser diodes have taken the laser market by storm, in part because of their operating...

Presstime Bulletin

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Bessel Tweezers Manipulate Multiple Objects
Laser tweezers are finding application in many research disciplines, but they restrict the user to...

'Smart Dust' Detects Biological and Chemical Agents
Researchers at the University of California, San Diego, in La Jolla have demonstrated the use of...

Imaging Closes on Single-Molecule Resolution
Scientists have attributed the difficulty in achieving single-molecule sensitivity in a...

Femtosecond Irradiation Yields Luminescent Silica
A team at Harvard University in Cambridge, Mass., has reported that microstructuring silicon in air...

Fast Ignition Nears Reality
An international team using the Gekko XII Nd:glass laser at Osaka University in Suita, Japan, has...

Real-Time Holography Targets Biological Imaging
Scientists at Imperial College of Science, Technology and Medicine in London have demonstrated a...

Holograms Recorded on Nonphotosensitive Glass
Using a 130-fs, 800-nm laser, researchers from Osaka University in Japan and Harbin Institute of...

Crystal Waveguides Form Optical Delay Lines
Femtosecond Technology Research Association scientists in Tsukuba, Japan, have constructed...

Pumped Fiber Yields High-Power, Broadband Light
Researchers at Imperial College in London have produced 3.8 W of continuous-wave light with a...

Laser Damage to Art Evaluated
It is fairly easy for an art conservator to see the damage done to a work when using a scalpel to...

Photonic Crystal Design Displays High Q
The design of square photonic lattices with the highest quality factors (Q) to date has been...

Research

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Metal Nanoparticles Offer New Imaging Method
As biochemical investigations focus on ever-smaller structures, methods for detecting elements as...

Laser Diode Emits Yellow-Green Light
MgZnCdSe-based II-VI compounds have great potential for use in visible-wavelength laser diodes....

Scientists Report Single-Molecule Electroluminescence
Building on earlier research at Georgia Institute of Technology in Atlanta that demonstrated the...

Stressed VCSEL Displays Stable Polarization
When it comes to polarization, VCSELs, or vertical-cavity surface-emitting lasers, can't make up...

Optical Switch Offers 1.4-dB Loss
Optical telecom networks have relied on electronic switching, but all-optical switching presents an...

Excitons Form Luminescent Rings
Two independent teams have reported observing photoluminescent rings from indirect excitons in...

Physicists Produce Photons Ideal for Quantum Networking
Physicists at the Max Planck Institute for Quantum Optics in Garching, Germany, have used a...

Diode Lasers Image Terahertz Beam in 2-D
Researchers at Columbia University in New York and NEC Research Institute in Princeton, N.J., have...

Plasmon Transmission Retains Photon Entanglement
Entangled photons stay entangled, even after being converted to plasmons, according to the findings...

Electron Wave Packets Steered by Light
Austrian and German researchers have demonstrated that the speed of x-ray-generated photoelectron...

Technology

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Phase Contrast Produces Dynamic, Multiple-Beam Optical Tweezers
Using generalized, phase-contrast-based encoding onto a spatial light modulator, researchers at the...

Tweezers Catch and Analyze Particles
Researchers at East Carolina University in Greenville, N.C., have developed a combined laser...

Photoacoustics Targets Medicine
Photoacoustics, or laser-generated ultrasonic pulses in solid or liquid media, have been used for...

Diffractive Optics Target Mid-IR Imaging
Advances in detector technology and improvements in signal processing electronics have led to...

Nanotubes May Make Good Switches
Ultrafast all-optical switches likely will be integral to future time-division-multiplexing...

Laser Pulses Move Bubble in Solid
Femtosecond laser pulses can move a microscopic bubble inside solids, report scientists from Osaka...

Altimetry Reveals High Glacial Melting Rates
After comparing geological survey data from the 1950s to the early '70s with recent airborne laser...

Optical Fiber Measures Two-Photon Fluorescence
Scientists at the University of Michigan in Ann Arbor have performed real-time, two-photon...

Lithography Creates AlGaAs Microdiscs
Researchers from the University of Hamburg in Germany have fabricated large periodic arrays of...

Excitons Form Condensate
A new Bose-Einstein condensate formed from excitons rather than from atoms could extend the study...

Encryption Protocol Sensitive to Eavesdroppers
Researchers at the Jet Propulsion Laboratory in Pasadena, Calif., Los Alamos National Laboratory in...

Blue Laser Diode Improves Fluorescence Imaging
Researchers at London's Imperial College of Science, Technology and Medicine have developed a...

Actuator Demonstrated in Optical Switch
An ideal microelectromechanical actuator would combine performance and economy. Researchers from...

Acid-Developed Film Yields High Resolution
Photographs created with silver-halide film soon may be as much a memory as the moments they...

1-m Membrane Developed for Space Telescopes
Improvements to higher-resolution optical systems for space deployment are dependent upon the...