Integrated Nanophotonic Waveguide-Based Devices for IR and Raman Gas Spectroscopy

On-chip devices for absorption spectroscopy and Raman spectroscopy have been developing rapidly in the last few years, triggered by the growing availability of compact and affordable tunable lasers, detectors, and on-chip spectrometers. Material processing that is compatible with mass production has...

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Autores principales:	Sebastián Alberti, Anurup Datta, Jana Jágerská
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	integrated sensors waveguides absorption spectroscopy Raman spectroscopy gas sensing Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/d89b57375f0c4915b6084d21a248bd6c
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spelling	oai:doaj.org-article:d89b57375f0c4915b6084d21a248bd6c2021-11-11T19:12:03ZIntegrated Nanophotonic Waveguide-Based Devices for IR and Raman Gas Spectroscopy10.3390/s212172241424-8220https://doaj.org/article/d89b57375f0c4915b6084d21a248bd6c2021-10-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7224https://doaj.org/toc/1424-8220On-chip devices for absorption spectroscopy and Raman spectroscopy have been developing rapidly in the last few years, triggered by the growing availability of compact and affordable tunable lasers, detectors, and on-chip spectrometers. Material processing that is compatible with mass production has been proven to be capable of long low-loss waveguides of sophisticated designs, which are indispensable for high-light–analyte interactions. Sensitivity and selectivity have been further improved by the development of sorbent cladding. In this review, we discuss the latest advances and challenges in the field of waveguide-enhanced Raman spectroscopy (WERS) and waveguide infrared absorption spectroscopy (WIRAS). The development of integrated light sources and detectors toward miniaturization will be presented, together with the recent advances on waveguides and cladding to improve sensitivity. The latest reports on gas-sensing applications and main configurations for WERS and WIRAS will be described, and the most relevant figures of merit and limitations of different sensor realizations summarized.Sebastián AlbertiAnurup DattaJana JágerskáMDPI AGarticleintegrated sensorswaveguidesabsorption spectroscopyRaman spectroscopygas sensingChemical technologyTP1-1185ENSensors, Vol 21, Iss 7224, p 7224 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	integrated sensors waveguides absorption spectroscopy Raman spectroscopy gas sensing Chemical technology TP1-1185
spellingShingle	integrated sensors waveguides absorption spectroscopy Raman spectroscopy gas sensing Chemical technology TP1-1185 Sebastián Alberti Anurup Datta Jana Jágerská Integrated Nanophotonic Waveguide-Based Devices for IR and Raman Gas Spectroscopy
description	On-chip devices for absorption spectroscopy and Raman spectroscopy have been developing rapidly in the last few years, triggered by the growing availability of compact and affordable tunable lasers, detectors, and on-chip spectrometers. Material processing that is compatible with mass production has been proven to be capable of long low-loss waveguides of sophisticated designs, which are indispensable for high-light–analyte interactions. Sensitivity and selectivity have been further improved by the development of sorbent cladding. In this review, we discuss the latest advances and challenges in the field of waveguide-enhanced Raman spectroscopy (WERS) and waveguide infrared absorption spectroscopy (WIRAS). The development of integrated light sources and detectors toward miniaturization will be presented, together with the recent advances on waveguides and cladding to improve sensitivity. The latest reports on gas-sensing applications and main configurations for WERS and WIRAS will be described, and the most relevant figures of merit and limitations of different sensor realizations summarized.
format	article
author	Sebastián Alberti Anurup Datta Jana Jágerská
author_facet	Sebastián Alberti Anurup Datta Jana Jágerská
author_sort	Sebastián Alberti
title	Integrated Nanophotonic Waveguide-Based Devices for IR and Raman Gas Spectroscopy
title_short	Integrated Nanophotonic Waveguide-Based Devices for IR and Raman Gas Spectroscopy
title_full	Integrated Nanophotonic Waveguide-Based Devices for IR and Raman Gas Spectroscopy
title_fullStr	Integrated Nanophotonic Waveguide-Based Devices for IR and Raman Gas Spectroscopy
title_full_unstemmed	Integrated Nanophotonic Waveguide-Based Devices for IR and Raman Gas Spectroscopy
title_sort	integrated nanophotonic waveguide-based devices for ir and raman gas spectroscopy
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/d89b57375f0c4915b6084d21a248bd6c
work_keys_str_mv	AT sebastianalberti integratednanophotonicwaveguidebaseddevicesforirandramangasspectroscopy AT anurupdatta integratednanophotonicwaveguidebaseddevicesforirandramangasspectroscopy AT janajagerska integratednanophotonicwaveguidebaseddevicesforirandramangasspectroscopy
_version_	1718431613553999872

Integrated Nanophotonic Waveguide-Based Devices for IR and Raman Gas Spectroscopy

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