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Porous silicon vapor sensor based on polarization interferometry

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6 Author(s)
Rong Liu ; Dept. of Electr. & Comput. Eng., California Univ., San Diego, La Jolla, CA, USA ; Chia-Ho Tsai ; Y. Fainman ; T. A. Schmedake
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We present a new signal transduction mechanism based on the optical form birefringence property of porous silicon, and demonstrate its application to vapor sensing. We demonstrate that polarization interferometry based on the optical anisotropy or form birefringence of porous silicon can be used as a new signal transduction mechanism and illustrates its potential for various chemical and biological sensing applications

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Lasers and Electro-Optics Society, 2001. LEOS 2001. The 14th Annual Meeting of the IEEE  (Volume:2 )

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