Abstract

An array of discrete semiconductor lasers utilizing graded-index rod lenses as collimators were fabricated to form a noncoherent laser beam combiner. Continuous wave output power of 600 mW and 5.25% total efficiency were achieved in a 5-mrad beam from a ten-diode laser array. A technique of dichroically combining five arrays is also described.

© 1988 Optical Society of America

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