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Proceedings Paper

Flexible film waveguides with excellent bending properties
Author(s): Y. Maeda; Y. Hashiguchi
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Paper Abstract

We have developed a film waveguide which has excellent bending properties. The waveguide can be fabricated by existing exposure/development processes and facilities with a core and a cladding dry film. Based on the bending loss simulation results, we fabricated the film waveguides of which the core-cladding index difference (relative index difference) of the waveguide was 3.1% and were evaluated transmission and bending properties. The propagation loss measured by a cut-back method was 0.15dB/cm at wavelength of 850nm. There was little change in optical loss on a 360-degree bend test with a 2mm radius of curvature. No loss increase and no damage to the film waveguide were observed after MIT folding endurance test more than one hundred thousand times with a 2mm bending radius of curvature at -30, 23 and 85 °C. The film waveguide demonstrated good folding endurance over a wide range of temperatures.

Paper Details

Date Published: 8 February 2008
PDF: 8 pages
Proc. SPIE 6899, Photonics Packaging, Integration, and Interconnects VIII, 68990D (8 February 2008); doi: 10.1117/12.761081
Show Author Affiliations
Y. Maeda, JSR Corp. (Japan)
Y. Hashiguchi, JSR Corp. (Japan)


Published in SPIE Proceedings Vol. 6899:
Photonics Packaging, Integration, and Interconnects VIII
Alexei L. Glebov; Ray T. Chen, Editor(s)

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