Optical Fiber Based Mach-Zehnder Interferometer for APES Detection

A 3-aminopropyl-triethoxysilane (APES) fiber-optic sensor based on a Mach–Zehnder interferometer (MZI) was demonstrated. The MZI was constructed with a core-offset fusion single mode fiber (SMF) structure with a length of 3.0 cm. As APES gradually attaches to the MZI, the external environment of the...

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Main Authors: Huitong Deng, Xiaoman Chen, Zhenlin Huang, Shiqi Kang, Weijia Zhang, Hongliang Li, Fangzhou Shu, Tingting Lang, Chunliu Zhao, Changyu Shen
Format: Article
Language:English
Published: MDPI AG 2021-08-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/21/17/5870
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author Huitong Deng
Xiaoman Chen
Zhenlin Huang
Shiqi Kang
Weijia Zhang
Hongliang Li
Fangzhou Shu
Tingting Lang
Chunliu Zhao
Changyu Shen
author_facet Huitong Deng
Xiaoman Chen
Zhenlin Huang
Shiqi Kang
Weijia Zhang
Hongliang Li
Fangzhou Shu
Tingting Lang
Chunliu Zhao
Changyu Shen
author_sort Huitong Deng
collection DOAJ
description A 3-aminopropyl-triethoxysilane (APES) fiber-optic sensor based on a Mach–Zehnder interferometer (MZI) was demonstrated. The MZI was constructed with a core-offset fusion single mode fiber (SMF) structure with a length of 3.0 cm. As APES gradually attaches to the MZI, the external environment of the MZI changes, which in turn causes change in the MZI’s interference. That is the reason why we can obtain the relationships between the APES amount and resonance dip wavelength by measuring the transmission variations of the resonant dip wavelength of the MZI. The optimized amount of 1% APES for 3.0 cm MZI biosensors was 3 mL, whereas the optimized amount of 2% APES was 1.5 mL.
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spelling doaj.art-4e2fdb116b7848829d9f93007552bec12023-11-22T11:13:42ZengMDPI AGSensors1424-82202021-08-012117587010.3390/s21175870Optical Fiber Based Mach-Zehnder Interferometer for APES DetectionHuitong Deng0Xiaoman Chen1Zhenlin Huang2Shiqi Kang3Weijia Zhang4Hongliang Li5Fangzhou Shu6Tingting Lang7Chunliu Zhao8Changyu Shen9Institute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaInstitute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, ChinaA 3-aminopropyl-triethoxysilane (APES) fiber-optic sensor based on a Mach–Zehnder interferometer (MZI) was demonstrated. The MZI was constructed with a core-offset fusion single mode fiber (SMF) structure with a length of 3.0 cm. As APES gradually attaches to the MZI, the external environment of the MZI changes, which in turn causes change in the MZI’s interference. That is the reason why we can obtain the relationships between the APES amount and resonance dip wavelength by measuring the transmission variations of the resonant dip wavelength of the MZI. The optimized amount of 1% APES for 3.0 cm MZI biosensors was 3 mL, whereas the optimized amount of 2% APES was 1.5 mL.https://www.mdpi.com/1424-8220/21/17/5870optical fiber biosensorMach-Zehnder InterferometerAPES detectioncondensation reaction
spellingShingle Huitong Deng
Xiaoman Chen
Zhenlin Huang
Shiqi Kang
Weijia Zhang
Hongliang Li
Fangzhou Shu
Tingting Lang
Chunliu Zhao
Changyu Shen
Optical Fiber Based Mach-Zehnder Interferometer for APES Detection
Sensors
optical fiber biosensor
Mach-Zehnder Interferometer
APES detection
condensation reaction
title Optical Fiber Based Mach-Zehnder Interferometer for APES Detection
title_full Optical Fiber Based Mach-Zehnder Interferometer for APES Detection
title_fullStr Optical Fiber Based Mach-Zehnder Interferometer for APES Detection
title_full_unstemmed Optical Fiber Based Mach-Zehnder Interferometer for APES Detection
title_short Optical Fiber Based Mach-Zehnder Interferometer for APES Detection
title_sort optical fiber based mach zehnder interferometer for apes detection
topic optical fiber biosensor
Mach-Zehnder Interferometer
APES detection
condensation reaction
url https://www.mdpi.com/1424-8220/21/17/5870
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