Ultra-High Sensitivity Methane Gas Sensor Based on Cryptophane-A Thin Film Depositing in Double D-Shaped Photonic Crystal Fiber Using the Vernier Effect

Ultra-High Sensitivity Methane Gas Sensor Based on Cryptophane-A Thin Film Depositing in Double D-Shaped Photonic Crystal Fiber Using the Vernier Effect

Methane gas leakage can lead to pollution problems, such as rising ambient temperature. In this paper, the Vernier effect of a double D-shaped photonic crystal fiber (PCF) in a Sagnac interferometer (SI) is proposed for the accurate detection of mixed methane gas content in the gas. The optical fibe...

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Bibliographic Details
Main Authors: Di Zhou, Sajid Ullah, Sa Zhang, Shuguang Li
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Sensors
Subjects:
D-shaped photonic crystal fiber
gas sensor
Sagnac interferometer
Vernier effect
Online Access:https://www.mdpi.com/1424-8220/24/24/8132
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