Ultra-short beam expander with segmented curvature control: the emergence of a semi-lens.
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DOI: 10.1364/ol.42.004383
Abstract: We introduce direct curvature control in designing a segmented beam expander, and explore novel design possibilities for ultra-compact beam expanders. Assisted by the particle swarm optimization algorithm, we search for an optimal curvature-controlled multi-segment taper… read more here.
Keywords: beam expander; semi lens; curvature control; curvature ... See more keywords