22 September 1997 Fiber-chip coupling and refractive index profile of UV-generated waveguides in PMMA
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Abstract
As an example for a new technology for the fabrication of passive components in polymers a 1:2 splitter has been made in PMMA bulk material. The geometrical structure of the waveguides has been preembossed by a Ni-shim together with precision grooves to hold the silica fibers. The waveguides have been formed by UV-exposure. The refractive index profile has been studied to optimize the depth of the grooves in order to fit the fiber core to the strip waveguide without any further alignment. Insertion loss of the component has been measured.
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Alexander Schoesser, Alexander Schoesser, Theo T. Tschudi, Theo T. Tschudi, Werner F. Frank, Werner F. Frank, } "Fiber-chip coupling and refractive index profile of UV-generated waveguides in PMMA", Proc. SPIE 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications, (22 September 1997); doi: 10.1117/12.284102; https://doi.org/10.1117/12.284102
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