ArticlePhotoacoustics2022
All-optical light-induced thermoacoustic spectroscopy for remote and non-contact gas sensing.
Article in Photoacoustics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 33 citations in OpenAlex.
- PMUT enhanced light-induced thermoelastic spectroscopy.Photoacoustics · 2025Article
- Cantilever-enhanced dual-comb photoacoustic spectroscopy.Photoacoustics · 2024Article
- Miniaturized and highly-sensitive fiber-optic photoacoustic gas sensor based on an integrated tuning fork by mechanical processing with dual-prong differential measurement.Photoacoustics · 2023Article
- Light-induced thermoelastic sensor for ppb-level HPhotoacoustics · 2023Article
- Humidity Sensors Based on Metal-Organic Frameworks.Nanomaterials (Basel, Switzerland) · 2022Review
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Authors and funding
10 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
All-optical light-induced thermoacoustic spectroscopy (AO-LITS) is reported for the first time for highly sensitive and selective gas sensing, in which a commercial standard quartz tuning fork (QTF) is employed as a photothermal detector. The vibration of the QTF was measured by the highly sensitive fiber-optic Fabry-Pérot (FP) interferometry (FPI) technique, instead of the piezoelectric detection in the conventional LITS. To improve the stability of the sensor system, a compact QTF-based fiber-optic FPI module is fabricated by 3D printing technique and a dual-wavelength demodulation method with the ellipse-fitting differential-cross-multiplication algorithm (DW-EF-DCM) is exploited for the FPI measurement. The all-optical detection scheme has the advantages of remote detection and immunity to electromagnetic interference. A minimum detection limit (MDL) of 422 ppb was achieved for hydrogen sulfide (H
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