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Laser Bar

Photonics Spectra
Apr 2015
OSRAM Opto Semiconductors Inc.
SUNNYVALE, Calif. — Osram Opto Semiconductors SPL BF98-40-5With a maximum output of more than 60 W, the SPL BF98-40-5 laser bar from Osram Opto Semiconductors reduces system costs for fiber-coupled diode lasers.

The SPL BF98-40-5 laser bar has a wavelength of 976 nm and high brilliance. The laser achieves a brilliance of 3 W/mm and a 1-mrad divergence angle at an optical output of 44 W. The laser bar is 5 mm wide and consists of five emitters, each 100 µm wide, with a cavity length of 44 mm.

The laser bar offers electro-optical efficiency of 65 percent, reducing the level of cooling needed for the laser diode and improving the efficiency of the entire system.

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