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Conferences > IPRSN > 2020 > ITu4A > ITu4A.4

Bimodal waveguide sensors enabled by subwavelength grating structures

Luis Torrijos-Morán, Amadeu Griol, and Jaime García-Rupérez

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Abstract

A subwavelength grating sensor based on a bimodal waveguide configuration is presented for continuous in-flow measurements of refractive index variations. An experimental bulk sensitivity of 1350nm/RIU and a limit of detection of 2x10-5RIU is obtained in a single-channel refractive index sensor.

© 2020 The Author(s)

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