Mid-infrared hyperspectral sensor based on MEMS Fabry-Pérot interferometer for stand-off sensing applications

We report a novel hyperspectral sensor employing a Fabry-Pérot interferometer based on micro-electro-mechnical system and a custom mid-infrared supercontinuum laser. The Fabry-Pérot interferometer allows on-axis filtering, of spectral components of supercontinuum light backscattered from a target, w...

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Autores principales: Saleh, Abba, Mekhrengin, Mikhail, Dönsberg, Timo, Kääriäinen, Teemu, Genoud, Guillaume, Toivonen, Juha
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9653462/
https://www.ncbi.nlm.nih.gov/pubmed/36371513
http://dx.doi.org/10.1038/s41598-022-23758-w
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author Saleh, Abba
Mekhrengin, Mikhail
Dönsberg, Timo
Kääriäinen, Teemu
Genoud, Guillaume
Toivonen, Juha
author_facet Saleh, Abba
Mekhrengin, Mikhail
Dönsberg, Timo
Kääriäinen, Teemu
Genoud, Guillaume
Toivonen, Juha
author_sort Saleh, Abba
collection PubMed
description We report a novel hyperspectral sensor employing a Fabry-Pérot interferometer based on micro-electro-mechnical system and a custom mid-infrared supercontinuum laser. The Fabry-Pérot interferometer allows on-axis filtering, of spectral components of supercontinuum light backscattered from a target, with a spectral resolution of about 25 nm. We demonstrated hyperspectral identification of black polypropylene (PP) and polyethylene (PE500) using the 3–3.5 [Formula: see text] m region of the supercontinuum spectrum and a corresponding measurement rate of 62.5 spectra / s. The resulted spectra show excellent agreement with the reference based on an FTIR spectrometer. Furthermore, we showed that the coloring of the plastics has no effect on their identification at this wavelength range.
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spelling pubmed-96534622022-11-15 Mid-infrared hyperspectral sensor based on MEMS Fabry-Pérot interferometer for stand-off sensing applications Saleh, Abba Mekhrengin, Mikhail Dönsberg, Timo Kääriäinen, Teemu Genoud, Guillaume Toivonen, Juha Sci Rep Article We report a novel hyperspectral sensor employing a Fabry-Pérot interferometer based on micro-electro-mechnical system and a custom mid-infrared supercontinuum laser. The Fabry-Pérot interferometer allows on-axis filtering, of spectral components of supercontinuum light backscattered from a target, with a spectral resolution of about 25 nm. We demonstrated hyperspectral identification of black polypropylene (PP) and polyethylene (PE500) using the 3–3.5 [Formula: see text] m region of the supercontinuum spectrum and a corresponding measurement rate of 62.5 spectra / s. The resulted spectra show excellent agreement with the reference based on an FTIR spectrometer. Furthermore, we showed that the coloring of the plastics has no effect on their identification at this wavelength range. Nature Publishing Group UK 2022-11-12 /pmc/articles/PMC9653462/ /pubmed/36371513 http://dx.doi.org/10.1038/s41598-022-23758-w Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Saleh, Abba
Mekhrengin, Mikhail
Dönsberg, Timo
Kääriäinen, Teemu
Genoud, Guillaume
Toivonen, Juha
Mid-infrared hyperspectral sensor based on MEMS Fabry-Pérot interferometer for stand-off sensing applications
title Mid-infrared hyperspectral sensor based on MEMS Fabry-Pérot interferometer for stand-off sensing applications
title_full Mid-infrared hyperspectral sensor based on MEMS Fabry-Pérot interferometer for stand-off sensing applications
title_fullStr Mid-infrared hyperspectral sensor based on MEMS Fabry-Pérot interferometer for stand-off sensing applications
title_full_unstemmed Mid-infrared hyperspectral sensor based on MEMS Fabry-Pérot interferometer for stand-off sensing applications
title_short Mid-infrared hyperspectral sensor based on MEMS Fabry-Pérot interferometer for stand-off sensing applications
title_sort mid-infrared hyperspectral sensor based on mems fabry-pérot interferometer for stand-off sensing applications
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9653462/
https://www.ncbi.nlm.nih.gov/pubmed/36371513
http://dx.doi.org/10.1038/s41598-022-23758-w
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