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30 September 1996 Novel design for power splitters in polymer materials
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Abstract
A new design for power splitters in transparent materials is presented. The common divider built with a cascade of Y- branches is replaced by a structure using the coupling of evanescent fields. This is demonstrated at the example of PMMA. It is structured using a photomask and UV-radiation in order to form the waveguides in the surface. The parameters of the material, especially the refractive index profile after UV-exposure, are fed into a computer simulation of the new design using beam propagation method software. The calculation leads to an optimum layout which is transformed to a photomask for the irradiation process. The theoretical as well as the experimental results are presented. A good agreement between calculation and measurement is obtained.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Angelika Stelmaszyk, Hans Strack, and Werner F. Frank "Novel design for power splitters in polymer materials", Proc. SPIE 2851, Photopolymer Device Physics, Chemistry, and Applications III, (30 September 1996); https://doi.org/10.1117/12.251837
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