Abstract

A total of 100 beams emitted from 100 stripes, with an 80-µm aperture spaced on 100-µm centers, of a 1-cm linear diode array were collimated by a multiprism array consisting of 15 800-µm-wide prismlets. The spatial intensity distributions of each eight-beam unit were rotated 90° through three total reflections in a prismlet. The array of prismlets transforms a long dotted line (a long line array of emitters) to a series of short dotted lines arranged in parallel. Collimated beams were focused to a spot of ∼500 µm (FWHM).

© 1997 Optical Society of America

Collimation of emissions from a high-power multistripe laser-diode bar with multiprism array coupling and focusing to a small spot

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