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Photonics Tech Briefs Product of the Month March 1999

High-Power Laser Diode Bars
From Siemens Microelectronics

Siemens Microelectronics, Cupertino, CA, introduces a line a stackable high-power laser diode bars that the company says can deliver up to twice as much power per bar with the same lifetime and cost efficiency as lower-powered designs. The bars come in five types: The SPL BW81 offers power from 10-20 W at a wavelength of 808 nm; the SPL BG81 (808 nm) and SPL BG94 (940 nm) operate between 40-50 W, and the SPL BS81 (808 nm) and SPL BS94 (940 nm) operate between 60-100 W quasi-continuous wave. At 40-W operation at these wavelengths, lifetime tests have yielded MTTFs greater than 30,000 hours. Pricing starts at $270 per bar for 40-W bars in quantities of 100. About Photonics Tech Briefs This bimonthly supplement to NASA Tech Briefs provides articles and briefs on the latest innovations in photonics technology, including laser components and systems; lenses, mirrors, coatings, optical systems, imaging systems, and sensors. PTB reaches 80,000-plus buyers of lasers, optics, and imaging equipment. Products of the Month are chosen by PTB's editors for outstanding technical merit and practical value to the magazine's engineering and management readers. Back to News Center