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Proceedings Paper

Silicon-nanomembrane-based photonic crystal nanostructures for chip-integrated open sensor systems
Author(s): Swapnajit Chakravarty; Wei-Cheng Lai; Yi Zou; Cheyun Lin; Xiaolong Wang; Ray T. Chen
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Paper Abstract

We experimentally demonstrate two devices on the photonic crystal platform for chip-integrated optical absorption spectroscopy and chip-integrated biomolecular microarray assays. Infrared optical absorption spectroscopy and biomolecular assays based on conjugate-specific binding principles represent two dominant sensing mechanisms for a wide spectrum of applications in environmental pollution sensing in air and water, chem-bio agents and explosives detection for national security, microbial contamination sensing in food and beverages to name a few. The easy scalability of photonic crystal devices to any wavelength ensures that the sensing principles hold across a wide electromagnetic spectrum. Silicon, the workhorse of the electronics industry, is an ideal platform for the above optical sensing applications.

Paper Details

Date Published: 17 November 2011
PDF: 15 pages
Proc. SPIE 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 819802 (17 November 2011); doi: 10.1117/12.910878
Show Author Affiliations
Swapnajit Chakravarty, Omega Optics, Inc. (United States)
Wei-Cheng Lai, The Univ. of Texas at Austin (United States)
Yi Zou, The Univ. of Texas at Austin (United States)
Cheyun Lin, The Univ. of Texas at Austin (United States)
Xiaolong Wang, Omega Optics, Inc. (United States)
Ray T. Chen, Omega Optics, Inc. (United States)
The Univ. of Texas at Austin (United States)


Published in SPIE Proceedings Vol. 8198:
2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration
Xuping Zhang; P. K. Alex Wai; Hai Ming, Editor(s)

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