Model of the planar broadband differential waveguide interferometer as a humidity sensor

Kazimierz Gut

doi:10.4302/plp.v12i2.1022

Model of the planar broadband differential waveguide interferometer as a humidity sensor

Kazimierz Gut

Department of Optoelectronics (RE/RE4)

Research output: Contribution to journal › Article › peer-review

Abstract

The paper presents a model of the planar broadband differential waveguide interferometer. Its response to a change in thickness and refractive index of the waveguide layer due to a change in humidity is presented. The analysis was carried out for the wavelength range from 450 to 850 nm. The orthogonal modes TE₀ and TM₀, which propagate in this wavelength range, are considered. It is shown that by using light near the maximum of the system characteristic, instead of the spectrometer, the total power at the system output can be measured.

Original language	English
Pages (from-to)	55-57
Number of pages	3
Journal	Photonics Letters of Poland
Volume	12
Issue number	2
DOIs	https://doi.org/10.4302/plp.v12i2.1022
Publication status	Published - 2020

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

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10.4302/plp.v12i2.1022

Cite this

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title = "Model of the planar broadband differential waveguide interferometer as a humidity sensor",

abstract = "The paper presents a model of the planar broadband differential waveguide interferometer. Its response to a change in thickness and refractive index of the waveguide layer due to a change in humidity is presented. The analysis was carried out for the wavelength range from 450 to 850 nm. The orthogonal modes TE0 and TM0, which propagate in this wavelength range, are considered. It is shown that by using light near the maximum of the system characteristic, instead of the spectrometer, the total power at the system output can be measured.",

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AB - The paper presents a model of the planar broadband differential waveguide interferometer. Its response to a change in thickness and refractive index of the waveguide layer due to a change in humidity is presented. The analysis was carried out for the wavelength range from 450 to 850 nm. The orthogonal modes TE0 and TM0, which propagate in this wavelength range, are considered. It is shown that by using light near the maximum of the system characteristic, instead of the spectrometer, the total power at the system output can be measured.

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Model of the planar broadband differential waveguide interferometer as a humidity sensor

Abstract

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