A new refractive index sensor based on Mach-Zehnder interferometer fabricated by two cascaded single-mode fiber corners

Qingguo Shi; Baojin Peng; Daru Chen; Salai Fu; Huanhuan Dai

doi:10.1117/12.2071509

12 December 2014 A new refractive index sensor based on Mach-Zehnder interferometer fabricated by two cascaded single-mode fiber corners

Qingguo Shi, Baojin Peng, Daru Chen, Salai Fu, Huanhuan Dai

Author Affiliations +

Proceedings Volume 9274, Advanced Sensor Systems and Applications VI; 92741C (2014) https://doi.org/10.1117/12.2071509
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

We reported two kinds of fiber sensor based on double cascaded single mode fiber corners, which has a high sensitivity for refractive index (RI) sensing. RI sensing was experimentally demonstrated with average sensitivity of 95.5nm/RI unit (RIU) in a RI range from 1.333 to 1.421 and the other is 235nm/RI unit (RIU) from 1.333 to 1.418, which are relatively high among the previously reported similar fiber sensors (e.g., it is about 10 times higher than that of the normal two or three-cascaded-taper based Mach–Zehnder interferometer). Besides, The proposed RI sensors were fabricated only by a fiber fusion splicer. So , the fiber sensor is quite easy to made.

Citation Download Citation

Qingguo Shi, Baojin Peng, Daru Chen, Salai Fu, and Huanhuan Dai "A new refractive index sensor based on Mach-Zehnder interferometer fabricated by two cascaded single-mode fiber corners", Proc. SPIE 9274, Advanced Sensor Systems and Applications VI, 92741C (12 December 2014); https://doi.org/10.1117/12.2071509

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available