Carbon-nanotube-deposited photonic crystal fiber for refractive index sensing

Y. C. Tan; Z. Q. Tou; V. Mamidala; K. K. Chow; C. C. Chan

doi:10.1117/12.2059266

2 June 2014 Carbon-nanotube-deposited photonic crystal fiber for refractive index sensing

Y. C. Tan, Z. Q. Tou, V. Mamidala, K. K. Chow, C. C. Chan

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91577Y (2014) https://doi.org/10.1117/12.2059266
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We present a novel fiber optic sensor based on the assembly of a thin film of carbon nanotubes (CNTs) onto a short length of photonic crystal fiber (PCF) which is spliced between two single mode fibers (SMFs). The assembly of the thin film was achieved via a simple and effective deposition method. The deposition of CNTs modified the sensing ability of the sensor, allowing it to work in the intensity encoding scheme, thus opening the sensor to the possibility of dual parameter sensing. The sensor exhibited a sensitivity of 36.1 dB/ RIU and 96.6 dB/ RIU within the ranges of 1.33-1.38 and 1.38-1.42 respectively.

Citation Download Citation

Y. C. Tan, Z. Q. Tou, V. Mamidala, K. K. Chow, and C. C. Chan "Carbon-nanotube-deposited photonic crystal fiber for refractive index sensing", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91577Y (2 June 2014); https://doi.org/10.1117/12.2059266

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