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Preparation, testing, and application research of tapered seven-core fiber curvature sensor
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Preparation, testing, and application research of tapered seven-core fiber curvature sensor
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Preparation, testing, and application research of tapered seven-core fiber curvature sensor
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Journal Article
Preparation, testing, and application research of tapered seven-core fiber curvature sensor
2025
Overview
In this paper, we report a fiber curvature sensor based on a seven-core fiber Mach-Zender interferometer (t-SCF-MZI), which is realized by tapered welding. The experimental results show that the curvature response of t-SCF-MZI is significantly enhanced due to the change in the cone diameter. In a series of experiments, when the diameter of the seven-core fiber lumbar spine is 41.44 μm, the curvature sensitivity is increased by about 200%, and the maximum value reaches -30.647 nm/m −1 . In order to facilitate the test, after the sensor is packaged, the photoelectric converter and data acquisition card are introduced into the sensing system. The sensor output light signal is converted into a computer-recognizable electrical signal, curvature human application detection, such as finger curvature test has high practicability and prospect.
Publisher
IOP Publishing
Subject
