Fig. 1. Multi-focus laser processing for efficient fabrication of a trapezoid groove. (a) Schematic of multi-focus laser processing. (b) Simulated light intensity field of multi-focus spot. (c) 45° ...
Glass fiber was the first reinforcement used in modern polymeric composites but springs from an ancient art. Here, glass fiber ends are wound side-by-side onto warp beams (large rolls or cylinders) ...
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