JOURNAL ARTICLE
An in-fiber Mach–Zehnder interferometer for salinity sensor based on interface-fiber inscribed by femtosecond laser
Shengqi ZhangZhengyong LiuChengkun YangZhaohui Li
Year: 2021 Journal: 26th Optoelectronics and Communications Conference Pages: W1D.2-W1D.2
Abstract
In this paper, a novel in-fiber Mach-Zehnder interferometer in a single mode optical fiber is proposed for the measurement of seawater salinity. The salinity sensitivity increases exponentially with the sensing arm approaching the cladding interface.
Keywords:
Mach–Zehnder interferometer Interferometry Fiber optic sensor Optics Optical fiber Materials science Inscribed figure Fusion splicing Cladding (metalworking) Femtosecond Fiber laser Photonic-crystal fiber Single-mode optical fiber Laser Physics
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Topics
Advanced Fiber Optic Sensors
Physical Sciences → Engineering → Electrical and Electronic Engineering
Photonic and Optical Devices
Physical Sciences → Engineering → Electrical and Electronic Engineering
Analytical Chemistry and Sensors
Physical Sciences → Chemical Engineering → Bioengineering
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