Quartz-enhanced multiheterodyne resonant photoacoustic spectroscopy [PDF]
Light: Science & ApplicationsThe extension of dual-comb spectroscopy (DCS) to all wavelengths of light along with its ability to provide ultra-large dynamic range and ultra-high spectral resolution, renders it extremely useful for a diverse array of applications in physics ...
Jiapeng Wang +6 more
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Dual-comb quartz-enhanced photoacoustic spectroscopy [PDF]
Photoacoustics, 2022 Photoacoustic spectroscopy (PAS) using two optical combs is a new-born technique, offering appealing features, including broad optical bandwidths, high resolutions, fast acquisition speeds, and wavelength-independent photoacoustic detection, for chemical
Xinyi Ren +6 more
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Ultra-highly sensitive dual gases detection based on photoacoustic spectroscopy by exploiting a long-wave, high-power, wide-tunable, single-longitudinal-mode solid-state laser [PDF]
Light: Science & ApplicationsPhotoacoustic spectroscopy (PAS) as a highly sensitive and selective trace gas detection technique has extremely broad application in many fields. However, the laser sources currently used in PAS limit the sensing performance. Compared to diode laser and
Shunda Qiao +6 more
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Lithium Niobate – Enhanced Photoacoustic Spectroscopy [PDF]
PhotoacousticsIn this work, we report on the novel employment of lithium niobate tuning forks as acoustic transducers in photoacoustic spectroscopy for gas sensing. The lithium niobate tuning fork (LiNTF) exhibits a fundamental resonance frequency of 39196.6 Hz and a ...
Aldo F.P. Cantatore +7 more
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Dual-comb photoacoustic spectroscopy [PDF]
Nature Communications, 2020 Spectrally resolved photoacoustic images often require the acquisition of data for each wavelength separately. Here, the authors use dual frequency-comb spectroscopy for photoacoustic measurements, enabling spectrally resolved measurements without the ...
Jacob T. Friedlein +13 more
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A Review on Photoacoustic Spectroscopy Techniques for Gas Sensing. [PDF]
Sensors (Basel)The rapid growth of industry and the global drive for modernization have led to an increase in gas emissions, which present significant environmental and health risks.
Wijesinghe DR, Zobair MA, Esmaeelpour M.
europepmc +2 more sources
Non-Invasive Monitoring of Human Health by Photoacoustic Spectroscopy
Sensors, 2022 For certain diseases, the continuous long-term monitoring of the physiological condition is crucial. Therefore, non-invasive monitoring methods have attracted widespread attention in health care.
Yongyong Jin +4 more
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Progress and Perspectives of Mid-Infrared Photoacoustic Spectroscopy for Non-Invasive Glucose Detection. [PDF]
Biosensors (Basel), 2023 The prevalence of diabetes is rapidly increasing worldwide and can lead to a range of severe health complications that have the potential to be life-threatening. Patients need to monitor and control blood glucose levels as it has no cure. The development
Kaysir MR +4 more
europepmc +2 more sources
Dual quantum cascade lasers for noninvasive glucose detection using photoacoustic spectroscopy. [PDF]
Sci Rep, 2023 The combination of mid-infrared and photoacoustic spectroscopy has shown promising developments as a substitute for invasive glucose detection technology.
Aloraynan A, Rassel S, Kaysir MR, Ban D.
europepmc +2 more sources
High performance filtering and high-sensitivity concentration retrieval of methane in photoacoustic spectroscopy utilizing deep learning residual networks [PDF]
PhotoacousticsA novel method is introduced to improve the detection performance of photoacoustic spectroscopy for trace gas detection. For effectively suppressing various types of noise, this method integrates photoacoustic spectroscopy with residual networks model ...
Yanan Cao +7 more
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