High-power visible semiconductor lasers
1994
High power visible semiconductor laser diodes are reported at wavelengths ranging from 620 nm to 690 nm. Broad area laser diodes exhibit peak cw output powers of 3.8 W from a 250 micrometers aperture at 688 nm and > 1 W cw at 636 nm from a 100 micrometers aperture. Monolithic 1 cm arrays with a 24% filling factor provide output powers of 30 W cw at 687 nm. Single mode lasers in the 620 nm wavelength band emit > 50 mW and operate at temperatures up to 80 degree(s)C.
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