Fast fabrication of polymer out-of-plane optical coupler by gray-scale lithography
AffiliationUniv Arizona, Coll Opt Sci
MetadataShow full item record
PublisherOPTICAL SOC AMER
CitationFast fabrication of polymer out-of-plane optical coupler by gray-scale lithography 2017, 25 (15):17960 Optics Express
Rights© 2017 Optical Society of America
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AbstractWe report a fabrication process of a polymer, and mirror-based out-of-plane optical coupler. In the process, a pre-formed mirror blank made of a buffer coat material is re-exposed by a laser direct writing tool with low numerical aperture of 0.1. The fabrication process is inherently fast because of the low numerical aperture (NA) process. The surface figure of the mirror is controlled under 0.04 waves in root-mean-square (RMS) at 1.55 mu m wavelength, with mirror angle of 45 +/- 1 degrees. Nominal insertion loss of 8.5dB of the mirror-based coupler was confirmed with polymer waveguides fabricated simultaneously. (C) 2017 Optical Society of America
NoteOpen Access Journal.
VersionFinal published version
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