Optics & Photonics News

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Defense Appropriation will Accelerate Development of UV-LED Devices for Water and Air Purification

Crystal IS, Inc., the world's leading manufacturer of ultraviolet light emitting diodes (UV LEDs) based on aluminum nitride (AlN) substrate technology, today announced it will receive an $800,000 appropriation from the U.S. Department of Defense to advance development of large AlN crystals for effective deep ultraviolet sources.

25 Nov 2008

New Method for Measuring the Optical Properties of High Power LEDs

The lack of common measurement methods among light-emitting diode (LED) and lighting manufacturers has affected the commercialization of solid-state lighting products. In a recent paper, researchers at the National Institute of Standards and Technology (NIST) proposed a new, economical method to allow LED and lighting manufacturers to obtain accurate, reproducible, and comparable measurements of LED brightness and color.

25 Nov 2008

Astronomers Combined Three Telescopes in Hawaii Using Advanced Computer Techniques

Astronomers have succeeded in combining three telescopes in Hawaii using advanced computer techniques. This virtual telescope, with a diameter of 782 metres, studies the formation of new stars and planets using light with a short wavelength (submillimetre).

25 Nov 2008

Rice University Nanophotonics Pioneer Wins High-Profile National Security Award

Rice University nanophotonics pioneer Naomi Halas has been named a National Security Science and Engineering Faculty Fellow (NSSEFF) by the Department of Defense. Halas is one of just six fellows chosen from more than 650 nominees this year for the prestigious program.

25 Nov 2008

Industry's First Optically Isolated Sigma-Delta Modulators for Use in Industrial Motor Apps

Avago Technologies, a leading supplier of analog interface components for communications, industrial and consumer applications, today announced one of the industry's first optically isolated sigma-delta modulator using an external clock to provide direct measurement of motor phase currents in power inverters.

25 Nov 2008

Laser Technology Enhances Metallurgical Properties and Extends Product Life

Laser Cladding Services, Inc. today announced the introduction of LaserHeatTM Pinpoint Treating, a high-powered laser pin-point heat treating process, to their vast array of laser capabilities that extends the lifecycle of critical parts.

24 Nov 2008

Aurora Systems Introduces New Integrated LCOS Driver ASIC Designed for Mobile Projection Applications

Aurora Systems Incorporated announced today the introduction of a new integrated LCOS driver ASIC designed for mobile projection applications.

24 Nov 2008

2010 Ford Mustang Features OSRAM LED-powered JOULE Signal Lighting

When the new 2010 Ford Mustang cruised onto the stage at the 2008 Los Angeles Auto Show, Nov. 19, practically everything that lit it up, inside and out, was powered by OSRAM products. America's pony car includes innovative lighting from front to back including the unique sequential rear turn signal powered by OSRAM JOULE(TM) standardized automotive LED system.

24 Nov 2008

High Performance Z-power LED 'Z1' With 1.2 mm of Thickness and Max. 120 Lumens

Seoul Semiconductor, a leading LED manufacturer, ranking 6th worldwide and 1st in Korea, announced it released a 1.4W ultra-slim Z-power LED series 'Z1'; Warm White (part # : NZ10150) and Pure White (part # : WZ10150).

24 Nov 2008

Something Vital is Missing in the Far Distant Reaches of the Universe

Something vital is missing in the far distant reaches of the Universe: hydrogen - the raw material for stars, planets and possible life. The discovery of its apparent absence from distant galaxies by a team of Australian astronomers is puzzling because hydrogen gas is the most common constituent of normal matter in the Universe.

24 Nov 2008

Light's Direct Impact on Coral Reefs

We've all seen the satellite images of Earth at night--the bright blobs and shining webs that tell the story of humanity's endless sprawl.These pictures are no longer just symbols of human impact, however, but can be used to objectively measure it, according to a study in the December 2008 issue of Geocarto International, a peer-reviewed journal on geoscience and remote sensing.

24 Nov 2008

Olympus Water Immersion Objective Offers Unprecedented Performance for Multiphoton Imaging

A 25x, NA 1.05 water immersion (WI) objective specifically designed for multiphoton imaging offers researchers unprecedented performance when used with the Olympus FluoView® FV1000-MPE multiphoton microscope system.

24 Nov 2008

Novel Accessory Creates 'Two-in-One' Reflection- and Transmission High-Temperature XRD System

Modern materials science demands sophisticated tools to perform investigations in defined environments and under controlled temperature conditions. Non-ambient X-ray diffraction (XRD) is established for a wide range of industrial and research applications.

From PANalytical 24 Nov 2008

New Ways of Squeezing Out Greater Efficiency from Solar Photovoltaic Cells

New ways of squeezing out greater efficiency from solar photovoltaic cells are emerging from computer simulations and lab tests conducted by a team of physicists and engineers at MIT.

24 Nov 2008

With Holiday Season Approaching, Cornell Environmental Analyst Made an Illuminating Discovery

With the holiday season approaching, a Cornell environmental analyst has made an illuminating discovery: Many Christmas light sets contain such high levels of lead that they exceed limits set by the U.S. Environmental Protection Agency (EPA) and the Department of Housing and Urban Development (HUD) for windowsills or floors.

24 Nov 2008