Combined Long-Period Fiber Grating and Microcavity In-Line Mach–Zehnder Interferometer for Refractive Index Measurements with Limited Cross-Sensitivity
This work discusses sensing properties of a long-period grating (LPG) and microcavity in-line Mach–Zehnder interferometer (µIMZI) when both are induced in the same single-mode optical fiber. LPGs were either etched or nanocoated with aluminum oxide (Al<sub>2</sub>O<sub>3</sub>...
Main Authors: | Monika Janik, Marcin Koba, Krystian Król, Predrag Mikulic, Wojtek J. Bock, Mateusz Śmietana |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2020-04-01
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Series: | Sensors |
Subjects: | |
Online Access: | https://www.mdpi.com/1424-8220/20/8/2431 |
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