ArticlePhotoacoustics2022
Ultra-highly sensitive HCl-LITES sensor based on a low-frequency quartz tuning fork and a fiber-coupled multi-pass cell.
Article in Photoacoustics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed.
- A novel microscale multilayer PZT MEMS cantilever for resonant photoacoustic gas sensing.Photoacoustics · 2026Article
- Chirp-modulated light-induced thermoelastic spectroscopy for simultaneous precise measurement of resonant frequency and gas concentration.Photoacoustics · 2026Article
- Sensitive light-induced thermoelastic spectroscopy based on transmitted light amplification.Photoacoustics · 2025Article
- Parts-per-quadrillion level gas molecule detection: CO-LITES sensing.Light, science & applications · 2025Article
- Dual-gas quartz-enhanced photoacoustic spectroscopy sensor exploiting two fiber-combined interband cascade lasers.Photoacoustics · 2025Article
- Robust and compact light-induced thermoelastic sensor for atmospheric methane detection based on a vacuum-sealed subminiature tuning fork.Photoacoustics · 2025Article
- A light-induced thermoelastic spectroscopy using surface mounted device quartz tuning fork.Photoacoustics · 2025Article
- Research on Water Quality Chemical Oxygen Demand Detection Using Laser-Induced Fluorescence Image Processing.Sensors (Basel, Switzerland) · 2025Article
- Highly Sensitive T-Shaped Quartz Tuning Fork Based CHSensors (Basel, Switzerland) · 2024Article
- Miniature optical fiber photoacoustic spectroscopy gas sensor based on a 3D micro-printed planar-spiral spring optomechanical resonator.Photoacoustics · 2024Article
- Gas spectroscopy - Editorial special issue photoacoustics.Photoacoustics · 2023Article
- Au-TiOMicromachines · 2023Article
- Quartz-enhanced photoacoustic spectroscopy (QEPAS) and Beat Frequency-QEPAS techniques for air pollutants detection: A comparison in terms of sensitivity and acquisition time.Photoacoustics · 2023Article
- Assessment of vibrational-translational relaxation dynamics of in a wet-nitrogen matrix through QEPAS.Photoacoustics · 2023Article
- Highly sensitive light-induced thermoelastic spectroscopy oxygen sensor with co-coupling photoelectric and thermoelastic effect of quartz tuning fork.Photoacoustics · 2023Article
- T-type cell mediated photoacoustic spectroscopy for simultaneous detection of multi-component gases based on triple resonance modality.Photoacoustics · 2023Article
- Highly sensitive photoacoustic acetylene detection based on differential photoacoustic cell with retro-reflection-cavity.Photoacoustics · 2023Article
- Parts-per-billion-level detection of hydrogen sulfide based on doubly resonant photoacoustic spectroscopy with line-locking.Photoacoustics · 2023Article
- Characterization of HPhotoacoustics · 2023Article
- Highly sensitive HF detection based on absorption enhanced light-induced thermoelastic spectroscopy with a quartz tuning fork of receive and shallow neural network fitting.Photoacoustics · 2022Article
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5 authors.
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Abstract
In this paper, an ultra-highly sensitive light-induced thermoelastic spectroscopy (LITES) based hydrogen chloride (HCl) sensor, exploiting a custom low-frequency quartz tuning fork (QTF) and a fiber-coupled multi-pass cell (MPC) with optical length of 40 m, was demonstrated. A low resonant frequency of 2.89 kHz of QTF is advantageous to produce a long energy accumulation time in LITES. Furthermore, the use of an MPC with the fiber-coupled structure not only avoids the difficulty in optical alignment but also enhances the system robustness. A distributed feedback (DFB) diode laser emitting at 1.74 µm was used as the excitation source. Under the same operating conditions, the using of low-frequency QTF provided a ~2 times signal improvement compared to that achieved using a standard 32 kHz QTF. At an integration time of 200 ms, a minimum detection limit (MDL) of 148 ppb was achieved. The reported sensor also shows an excellent linear response to HCl gas concentration in the investigated range.
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