5 October 1999 Thermally stable optical waveguide using polycarbonate
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Abstract
Thermally stable polymer waveguide was fabricated using polycarbonate as the core material. Polycarbonate is thermally stable up to 190 degrees C, has small birefringence of 0.003 and good otpical transparency at 1.3 micrometers . We used Cyclotene 3022 as the cladding material. The material has 0.45 percent lower refractive index than the core material, resulting in a good mode matching waveguide with a single mode silica fiber. Buried channel waveguides were fabricated by conventional photolithography and dry etching technique. The thickness of the guiding layer was 5.3 micrometers and the width of the waveguides varied form 3 to 8 micrometers . They showed an optical loss of less than 0.8 and 1.4 dB/cm at the wavelength of 1.3 micrometers for TE and TM polarizations, respectively.
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Jang-Joo Kim, Jang-Joo Kim, Jae-Wook Kang, Jae-Wook Kang, } "Thermally stable optical waveguide using polycarbonate", Proc. SPIE 3799, Organic Photorefractives, Photoreceptors, Waveguides, and Fibers, (5 October 1999); doi: 10.1117/12.363915; https://doi.org/10.1117/12.363915
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