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Discovery Semiconductors’ Photodiodes Are Good Travelers

Photonics.com
Jun 2012
EWING, N.J., June 4, 2012 — Discovery Semiconductors’ high-speed InGaAs photodiode and balanced photodiodes have been found robust after 18 months on the International Space Station.

The photodiodes were part of the Materials International Space Station Experiment 7 mission, which launched Nov. 16, 2009, on the space shuttle Atlantis. They returned June 1, 2011, on the Endeavor space shuttle. NASA’s Langley Research Center launched them as part of its lidar transceiver components and recently released them to Discovery Semiconductors for further study.

“Over the next few months, we will be studying carefully not only the electro-optical characteristics of these InGaAs photodiodes, but also other parts of the modules such as fiber optic cables, fiber optic connectors, metal housings, millimeter-wave substrates, solder joints, amongst other things,” said Abhay Joshi, president and CEO of Discovery Semiconductors. “This data will allow us to design even better and rugged InGaAs photodiode modules for future space flights.”

For more information, visit: www.discoverysemi.com



GLOSSARY
lidar
An acronym of light detection and ranging, describing systems that use a light beam in place of conventional microwave beams for atmospheric monitoring, tracking and detection functions. Ladar, an acronym of laser detection and ranging, uses laser light for detection of speed, altitude, direction and range; it is often called laser radar.
photonics
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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