Single-emitter line beam system
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United States of America Patent
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Jul 18, 2017
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app pub date -
Feb 4, 2015
filing date -
Feb 5, 2014
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Abstract
A line beam system includes a single-emitter light engine including a plurality of separately spaced single-emitter diode lasers, each emitter configured to emit a diode laser beam. Beam spacing optics are optically coupled to the single-emitter light engine and situated to provide propagation axes of the diode laser beams in a close-packed parallel configuration. A light pipe having a longitudinal axis is situated to provide an output beam with a homogenized intensity profile across one or more axes by receiving a close-packed, combined beam and reflecting the beam within the light pipe. Coherence reduction is produced by diffraction of a close-packed combined beam or by propagation in the light pipe.
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