Chemical vapor sensing properties of twin-core photonic crystal fiber based in-reflection interferometer

Bongkyun Kim; Khurram Naeem; Jihee Han; Youngjoo Chung

doi:10.1117/12.975244

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7 November 2012 Chemical vapor sensing properties of twin-core photonic crystal fiber based in-reflection interferometer

Bongkyun Kim, Khurram Naeem, Jihee Han, Youngjoo Chung

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Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84216J (2012) https://doi.org/10.1117/12.975244
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

This paper presents chemical vapor sensing properties of twin-core photonic crystal fiber-based in-reflection interferometer. The interferometer is composed of end-cleaved twin-core photonic crystal fiber (TC-PCF) and fiber circulator. Infiltrating chemical molecules in the air holes of TC-PCF lead to change in inter-core effective index difference and associated fringe shift in the interferometer. As an example we demonstrate acetone vapor detection and discuss the potential applications of the proposed device.

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Bongkyun Kim, Khurram Naeem, Jihee Han, and Youngjoo Chung "Chemical vapor sensing properties of twin-core photonic crystal fiber based in-reflection interferometer", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84216J (7 November 2012); https://doi.org/10.1117/12.975244

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