Abstract
A design for a laser diode collimator using aspheric lens technology was employed to achieve a 5-mm-diameter circular output beam with minimal wavefront aberration, and the minimum number of lenses of the smallest size. The presently designed collimator can achieve a wavefront aberration of better than λ/100 with a pair of aspheric anamorphic lenses, and a total length of 30 mm.
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