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12 October 2005 Photonic crystals with polymer waveguides for microforce detection
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We present the fundamental concept and experimental results of a new optical sensor structure based on a 1D photonic crystal consisting of a polymer light waveguide, a cladding layer and a nanostructured gold layer. The polysiloxane layers are deposited by spin-coating and dip-coating, respectively. The gold nanostructure is deposited by DCmagnetron sputtering and structured by UV-laser lithography. The gold nanowires have a period of about 400 nm and cover an area of 5×5 mm2. This thin flexible structure shows high sensitivity to inclination and strain. Our method enables the fabrication of a new sensor for non-conducting measurement of strain, force, torque and angle.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
B. Winzek, V. Emelianov, A. Radke, H. Guo, D. Nau, and H. Giessen "Photonic crystals with polymer waveguides for microforce detection", Proc. SPIE 5950, Photonic Crystals and Fibers, 595006 (12 October 2005);

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