Translator Disclaimer
Paper
17 May 2011 Refractive index sensing based on Mach-Zehnder interferometer formed by three cascaded single-mode fiber tapers
Author Affiliations +
Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77532P (2011) https://doi.org/10.1117/12.884842
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada
Abstract
We report the fabrication of a highly sensitive refractive-index sensor based on three cascaded single-mode fiber tapers, in which a weak taper is sandwiched between the two tapers to improve the sensitivity of the sensor. Experimental results show that the sensitivity of the device is 0.286 nm for a 0.01 RI change, which is about eleven times higher than that of the normal two cascaded tapers MZ interferometer. Such kind of low-cost and highly sensitive fiber-optic refractive index sensors will find applications in chemical or bio-chemical sensing fields.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tao Zhu, Di Wu, Ming Deng, Dewen Duan, Yunjiang Rao, and Xiaoyi Bao "Refractive index sensing based on Mach-Zehnder interferometer formed by three cascaded single-mode fiber tapers", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77532P (17 May 2011); https://doi.org/10.1117/12.884842
PROCEEDINGS
4 PAGES


SHARE
Advertisement
Advertisement
Back to Top