Abstract

Wavelength-stabilized compact laser systems at 670nm on a micro-optical bench are presented. The resonator concept consists of a tapered semiconductor gain medium and a reflection Bragg grating as a wavelength selective resonator mirror. In pulse operation mode with 100ns pulses, an optical peak power of 5W with a spectral width below 150pm was achieved. Nearly diffraction-limited beam quality at optical output powers up to 1W is obtained. Such laser systems can be used, e.g., for Raman spectroscopy and as pumping sources for frequency conversion toward UV spectral range.

© 2008 Optical Society of America

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