Halos Indicate Cubic Airborne Ice
Photographs of atmospheric halos over the Lascar volcano in northern Chile imply that water ice can...
Putting the Brakes on Light
CAMBRIDGE, Mass. -- Two teams of researchers, working independently, have put the brakes on light,...
Coherent Shows Prototype Laser
Santa Clara, Calif.-based Coherent Photonics Group, Laser Div., introduced a prototype solid-state...
NTT Deploys Lucent C+L-Band System
NTT Communications of Tokyo has installed a WaveStar OLS 400GL optical networking system from...
LEDs Fool Quantum Mechanics
While developing a test to measure the formation of singlet and triplet excitons in electrically...
Spectroscopy Probes Behavior of Granular Flows
LOS ANGELES -- Foods, pharmaceutical powders and pills, minerals and ores, road and building...
Digital Cinema Is on the Horizon
Digital cinema is coming, but don't expect it to revolutionize the moviemaking process, said Larry...
Crystal Could Improve Optical Communications
ALBUQUERQUE, N.M. -- Researchers at Sandia National Laboratories and the Massachusetts Institute of...
Lasers and Monolayers Pattern Surfaces
MURRAY HILL, N.J. -- Semiconductors have long enjoyed the benefits of being small, but the same...
Integrated Active Thin-Film Cooling Demonstrated
Temperature variations are the primary cause of wavelength drift in laser sources for optical...
Machined Fibers Improve Midinfrared Spectrometry
VIENNA, Austria -- Optical fibers have improved the versatility of near-infrared spectrometers, but...
NASA Experiment Aims for Failure
NASA has had its share of failures in the past few years, and with any luck that won't change with...
Photodynamic Therapy Studied
A team at the University of Calgary in Alberta, Canada, has used two-photon excitation to improve...
Free-Electron Laser Plunges into the Ultraviolet
Pursuing x-ray laser emission for applications across the sciences, an international research team...
Spray Lets Police Peek Through Envelopes
BETHESDA, Md. -- According to the FBI's Bomb Data Center in Washington, nearly 30 percent of...
Thin Films Yield Pollution Sensor
CORK, Ireland -- A team of English and Irish researchers has developed a sensor that uses light to...
Pump Produces 128-nm Excimer Emission
Rare-gas excimer lasers based on Ar2 offer powerful extreme-ultraviolet sources for 128-nm...
Fiber Damage Threshold Raised
EDINBURGH, UK -- The flexibility of fiber optics promises to improve laser machining processes, but...
Mid-IR Laser Diode Raises Operating Temperature
Spectrometrists probing the midinfrared with semiconductor lasers have had to be content with the...
Short-Pulse Laser Tested for Machining
Bloomfield, Conn.-based DeMaria ElectroOptics Systems Inc. has reported the development of a 150-ns...
Silicon Advances as a Laser Material
POVO, Italy -- One-quarter of the Earth is silicon. Microelectronic manufacturing techniques and...
Richard Gaughan
FAYETTEVILLE, Ark. -- As watchers of the telecommunications industry know, when it comes to...
Radical Lens Theory Repeals Diffraction Limit
LONDON -- Thinking positive doesn't always produce the best results. For centuries, lens makers so...
T-Ray Laser Displays Mode-Locking
Researchers from Delft University of Technology in the Netherlands, and the University of...
Polycrystalline Nd:YAG Laser Ups Efficiency
The ubiquity of single-crystal Nd:YAG lasers belies the comparative difficulty in forming and...
Ultraviolet VCSELs Are on the Way
ALBUQUERQUE, N.M. -- Ultraviolet laser sources are especially valuable because of their ability to...
Crystals Find Work as Beamsplitters
Photonic crystals have been the focus of research as all-optical systems for communications and...
Hairy Worm Wears Photonic Crystals
SYDNEY, Australia -- Once upon a time, there was a mouse that wasn't really a mouse, with fur that...
Fibers Yield Efficient Displays
EDINBURGH, UK -- Today's power-hungry laptops can run for only a few hours before they've eaten...