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 (Al₂O₃) to increase its refra...

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Bibliografiska uppgifter

Huvudupphov:	Monika Janik, Marcin Koba, Krystian Król, Predrag Mikulic, Wojtek J. Bock, Mateusz Śmietana
Materialtyp:	Artigo
Språk:	Inglês
Utgiven:	MDPI AG 2020-04-01
Serie:	Sensors
Ämnen:	Mach–Zehnder interferometer (MZI) long-period grating (LPG) optical fiber sensors refractive index sensing femtosecond laser micromachining thin films
Länkar:	https://www.mdpi.com/1424-8220/20/8/2431
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