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22 September 1997 Directional couplers in PMMA working as wavelength and polarization splitters
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Samples of PMMA have ben modified by UV-radiation in order to generate a region of increased refractive index in a surface layer to act as an optical waveguide. The resulting refractive index profile was mathematically described by the use of error-functions. This profile was the base for the simulation of directional couplers by using a commercial BPM-program. A passive component was designed for spotting the wavelengths 1310 nm and 1540 nm into two different branches of the coupler. This splitter was generated in PMMA and function tests were performed. Also a coupler was realized which divided TE and TM polarized light into different waveguides. It was generated in PMMA by using different parameters for the UV-exposure.
© (1997) 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 "Directional couplers in PMMA working as wavelength and polarization splitters", Proc. SPIE 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications, (22 September 1997);

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