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公开(公告)号：US20230012441A1
公开(公告)日：2023-01-12
申请号：US17783236
申请日：2020-12-08
Applicant: DAYLIGHT SOLUTIONS, INC.
Inventor： Michael Pushkarsky , Carter Hand
Abstract: A laser (14) includes an optical amplifier array system (17) that generates a plurality of laser beams (24); and a beam combiner (18) that coherently combines the plurality of laser beams (24) to form a combination beam (26) having a hollow center in a near field. The combination beam (26) with the hollow center allows for the use of a beam director (19) having an on-axis, reflective beam expander (21) without (i) loss in power, (ii) degradation of beam quality, or (iii) excessive heating of the beam expander (21).
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