ArticlePhotoacoustics2024
Folded-optics-based quartz-enhanced photoacoustic and photothermal hybrid spectroscopy.
Article in Photoacoustics, 2024. 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, 23 citations in OpenAlex.
- Nonlinear dual-frequency modulation QEPAS using a single laser for resolving overlapping spectral features.Photoacoustics · 2026Article
- Spatially engineered optical-acoustic matching in quartz-enhanced photoacoustic spectroscopy.Photoacoustics · 2026Article
- Quartz-enhanced laser spectroscopy sensing.Light, science & applications · 2026Review
- PMUT enhanced light-induced thermoelastic spectroscopy.Photoacoustics · 2025Article
- A mini-resonant photoacoustic sensor based on a sphere-cylinder coupled acoustic resonator for high-sensitivity trace gas sensing.Photoacoustics · 2024Article
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Authors and funding
6 authors at 5 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Folded-optics-based quartz-enhanced photoacoustic and photothermal hybrid spectroscopy (FO-QEPA-PTS) is reported for the first time. In FO-QEPA-PTS, the detection of the photoacoustic and photothermal hybrid signal is achieved through the use of a custom quartz tuning fork (QTF), thereby mitigating the issue of resonant frequency mismatch typically encountered in quartz-enhanced photoacoustic-photothermal spectroscopy employing multiple QTFs. A multi-laser beam, created by a multi-pass cell (MPC) with a designed single-line spot pattern, partially strikes the inner edge of the QTF and partially passes through the prong of the QTF, thereby generating photoacoustic and photothermal hybrid signals. To assess the performance of FO-QEPA-PTS, 1 % acetylene is selected as the analyte gas and the 2
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