Photoacoustic spectroscopy for detection of trace C2H2 using ellipsoidal photoacoustic cell
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.126764
Abstract: Abstract In this paper, a new type of ellipsoid photoacoustic cell was designed to enhance the photoacoustic effect for the first time. The COMSOL Multiphysics software was used to stimulate the acoustic characteristics of the… read more here.
Keywords: spectroscopy; photoacoustic cell; ellipsoidal photoacoustic; cell ... See more keywords
Sensitivity dependence of optical parameters in a photoacoustic cell analyzed with a 2-D thermoelastic approximation
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127171
Abstract: Abstract Photoacoustic (PA) cell is an important component for PA spectroscopic trace gas measurement. However, its high responsivity towards light absorption in trace gases can be compromised to the background baseline generated from optical windows… read more here.
Keywords: sensitivity dependence; optical parameters; photoacoustic cell; cell ... See more keywords
Design of a high-sensitivity differential Helmholtz photoacoustic cell and its application in methane detection.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.465161
Abstract: A high-sensitivity differential Helmholtz photoacoustic cell based on multiple reflection was reported, and its performance parameters and gas replacement time were optimized by finite element simulation. To realize the long absorption path of the measured… read more here.
Keywords: helmholtz photoacoustic; high sensitivity; differential helmholtz; detection ... See more keywords