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

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

Author Affiliations +

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.

Citation Download Citation

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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