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Alfalight Achieves Record-High 22 Watt Continuous Wave Output Power for 975 nm Diode Laser; Latest Development Breaks 20 Watt Power Barrier as Part of DARPA SHEDS Program.

MADISON, Wis. -- Alfalight, Inc., an innovative manufacturer of highly efficient and reliable high-power diode lasers, today announced that it has achieved record-high 22 watts of continuous wave (CW) output power from a 975 nm wavelength single stripe multimode diode laser operating at 25 degrees C. This represents a 47 percent improvement over the previously reported highest value up to 1 micron wavelength. High-performance, high-power laser diodes are a critical component of high-power laser systems including diode-pumped solid state (DPSS) lasers, fiber lasers, and optical amplifiers.

"Our development efforts, sponsored by the Defense Advanced Research Projects Agency (DARPA) Super High Efficiency Diode Sources (SHEDS) Program, continue to yield outstanding results," said Manoj Kanskar, vice president of Research and Development at Alfalight. "We remain focused on advancing diode laser performance in order to deliver exceptional commercial solutions that enable our customers to develop the next generation of solid-state laser systems."

Alfalight's development team significantly improved both the Power Conversion Efficiency (PCE) and the device's characteristic temperature (T1) to attain a record-high 22 watts of CW output power. The milestone was achieved with a 100 micron single stripe chip bonded p-side down to copper. At a 25 degrees C heatsink temperature, the devices roll over thermally and do not suffer from catastrophic optical mirror damage. The peak PCE of this device is 68 percent. High PCE laser diodes enable higher optical output power by producing less waste heat and a lower junction temperature.

Products that incorporate Alfalight's super-high efficiency technology will become commercially available in late 2006.

For more information about Alfalight's commercial laser diode products and capabilities please contact Jeremy Draper at jdraper@alfalight.com or 608-240-4826.

About Alfalight

Alfalight, Inc. is a leading manufacturer of innovative, high-quality, high-power diode laser products supplying industrial, telecommunications, and defense markets worldwide. The company's advanced Aluminum-Free Active region (ALFA) diode lasers deliver industry-leading efficiency, reliability, power, and brightness. Alfalight's laser diode patent portfolio covers high power, spectral control, high brightness, single-mode, and short-wavelength laser technologies. Alfalight's product line includes free-space and fiber-coupled lasers and modules from 1 watt to over 100 watts and from 780 nm to 1030 nm. For more information about Alfalight's standard product line and capabilities, visit www.alfalight.com.
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Publication:Business Wire
Date:Jan 24, 2006
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