Ultrahigh-Sensitivity Liquid Refractive Index Sensor With Two-Mode Interferometer Embedded in Each Arm of Mach-Zehnder Interferometer

In this paper, we propose and demonstrate experimentally an ultrahigh-sensitivity liquid refractive index (RI) sensor by embedding a two-mode interferometer (TMI) in the arms of a Mach-Zehnder interferometer (MZI) to exploit the Vernier effect. For comparison, we meticulously designed, fabricated, a...

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Vydané v:	Journal of lightwave technology Ročník 43; číslo 16; s. 7991 - 7997
Hlavní autori:	Zhang, Yinglu, Wang, Liwen, Yao, Hao, Deng, Jiayao, Wu, Jieyun, Zhao, Zhiying, Chen, Kaixin
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York IEEE 15.08.2025 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:	Configurations Electromagnetic waveguides Embedding Liquid waveguides Liquids Mach-Zehnder interferometers Optical device fabrication Optical fiber sensors Optical interferometry Optical resonators Optical waveguides Polymer waveguides Rectangular waveguides refractive index sensing Refractivity Sensitivity Sensors two-mode interferometers (TMI) vernier effect Waveguides
ISSN:	0733-8724, 1558-2213
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