Journal
OPTICS LETTERS
Volume 28, Issue 23, Pages 2378-2380Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.28.002378
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A simple low-cost method of fabricating polymeric optical waveguides with large core sizes for plastic optical fibers is presented. The waveguides are fabricated by hot embossing with an ultraviolet-cured epoxy resin stamper. The stamper is fabricated by replication of a rectangular groove mold that is made from silicone rubber replicated from a ridged original silicon master. The master is fabricated by anisotropic etching of (110) single-crystal silicon. Optical waveguides with large core sizes of 100-500 mum have been fabricated, and a low propagation loss of 0.19 dB/cm at 650 run was achieved. (C) 2003 Optical Society of America.
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