Volatile organic compound detection using twin-core photonic crystal fiber with selectively sealed air holes in-reflection interferometer
Date
2013
Authors
Naeem, K.
Kim, B.
Nguyen, V.
Chung, Y.
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Conference paper
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2013 OptoElectronics and Communications Conference held jointly with 2013 International Conference on Photonics in Switching (OECC/PS), June 30 ‒ July 4, 2013, Kyoto International Conference Center, Kyoto, Japan: pp.1-2
Statement of Responsibility
Khurram Naeem, Bongkyun Kim, Linh Viet Nguyen, and Youngjoo Chung
Conference Name
OptoElectronics and Communications Conference (18th : 2013 : Kyoto, Japan)
Abstract
We present volatile organic compound (VOC) detection using modified twin-core photonic crystal fiber (TC-PCF) in-reflection interferometer. TC-PCF readily serves as an interferometer when light is launched into two cores along their common polarization axis. With manual gluing and subsequent infiltration technique, the air holes surrounding one core of TC-PCF are selectively sealed. Therefore, upon exposing in-reflection interferometer in proposed configuration to VOC, the vapor diffusion into the cladding air holes surrounding the other core induces a phase shift in its core mode only, and hence greatly enhances the vapor detection sensitivity of the TC-PCF. The detection limit of our device is measured to be 4.71×10-10 moles for acetone.
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©2013 IEICE