Ammonia Gas Sensor Based on Graphene Oxide-Coated Mach-Zehnder Interferometer with Hybrid Fiber Structure

Ammonia Gas Sensor Based on Graphene Oxide-Coated Mach-Zehnder Interferometer with Hybrid Fiber Structure

A graphene oxide-coated in-fiber Mach-Zehnder interferometer (MZI) formed with a multimode fiber-thin core fiber-multimode fiber (MMF-TCF-MMF) is proposed and experimentally demonstrated for ammonia gas (NH<sub>3</sub>) sensing. The MZI structure is composed of two segments of MMF of len...

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Bibliographic Details
Main Authors: Xiaofeng Fan, Shuying Deng, Zhongchao Wei, Faqiang Wang, Chunhua Tan, Hongyun Meng
Format: Article
Language:English
Published: MDPI AG 2021-06-01
Series:Sensors
Subjects:
fiber sensor
graphene oxide
Mach-Zehnder interferometer
gas sensing
ammonia gas
Online Access:https://www.mdpi.com/1424-8220/21/11/3886

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