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Integrated nanophotonic waveguide-based devices for IR and Raman gas spectroscopy

Permanent link
https://hdl.handle.net/10037/23544
DOI
https://doi.org/10.3390/s21217224
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Date
2021-10-30
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Author
Alberti, Sebastian; Datta, Anurup; Jágerská, Jana
Abstract
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.
Publisher
MDPI
Citation
Alberti S, Datta A, Jágerská. Integrated nanophotonic waveguide-based devices for IR and Raman gas spectroscopy. Sensors. 2021;21(21)
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  • Artikler, rapporter og annet (fysikk og teknologi) [1057]
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