High-Sensitivity Photoacoustic Spectroscopy Gas Sensor Enhanced by a Microphone-Array-Coupled Differential Resonator
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2024.3488816
Abstract: A high-sensitivity photoacoustic spectroscopy (PAS) gas sensor based on a differential photoacoustic cell (DPAC) and microphone array is reported in this article. The DPAC, with an inner volume of only 4.3 mL, was especially designed… read more here.
Keywords: spectroscopy; sensitivity photoacoustic; high sensitivity; sensor ... See more keywords
High-sensitivity photoacoustic gas detector by employing multi-pass cell and fiber-optic microphone.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.382310
Abstract: A high-sensitivity photoacoustic (PA) spectroscopy (PAS) system is proposed for dual enhancement from both PA signal excitation and detection by employing a miniaturized Herriott cell and a fiber-optic microphone (FOM). The length of the optical… read more here.
Keywords: optic microphone; high sensitivity; fiber optic; cell fiber ... See more keywords