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Real-time detection of BSA concentration based on a Mach-Zehnder interferometric biosensor
Author(s): Zhitian Han; Wanjun Zheng; Bing Sun
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Paper Abstract

A label-free optical fiber biosensor based on a Mach-Zehnder interferometer for real-time bovine serum albumin (BSA) concentration detection has been proposed and experimentally demonstrated. An air microcavity has been fabricated by means of splicing a segment of microfiber between two single mode fibers (SMFs) with appropriate offset such that it acts as a microfluidic channel, where external media can directly interact with the guided light. Experimental results show a high sensitivity of -15.56 nm/(mg/mL).

Paper Details

Date Published: 14 February 2019
PDF: 4 pages
Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110484G (14 February 2019); doi: 10.1117/12.2522635
Show Author Affiliations
Zhitian Han, Nanjing Univ. of Posts and Telecommunications (China)
Wanjun Zheng, Guangdong Polytechnic Normal Univ. (China)
Bing Sun, Nanjing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 11048:
17th International Conference on Optical Communications and Networks (ICOCN2018)
Zhaohui Li, Editor(s)

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