Synergetic Resonance Matching of a Microphone and a Photoacoustic Cell
AbstractWe propose an approach to match the resonant characteristics of a photoacoustic cell with that of a microphone in order to enhance the signal-to-noise ratio in the photoacoustic sensor system. The synergetic resonance matching of a photoacoustic cell and a microphone was achieved by observing that photoacoustic cell resonance is merged with microphone resonance, in addition to conducting numerical and analytical simulations. Using this approach, we show that the signal-to-noise ratio was increased 3.5-fold from the optimized to non-optimized cell in the photoacoustic spectroscopy system. The present work is expected to have a broad impact on a number of applications, from improving weak photoacoustic signals in photoacoustic spectroscopy to ameliorating various sensors that use acoustic resonant filters. View Full-Text
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Sim, J.Y.; Ahn, C.-G.; Huh, C.; Chung, K.H.; Jeong, E.-J.; Kim, B.K. Synergetic Resonance Matching of a Microphone and a Photoacoustic Cell. Sensors 2017, 17, 804.
Sim JY, Ahn C-G, Huh C, Chung KH, Jeong E-J, Kim BK. Synergetic Resonance Matching of a Microphone and a Photoacoustic Cell. Sensors. 2017; 17(4):804.Chicago/Turabian Style
Sim, Joo Y.; Ahn, Chang-Geun; Huh, Chul; Chung, Kwang H.; Jeong, Eun-Ju; Kim, Bong K. 2017. "Synergetic Resonance Matching of a Microphone and a Photoacoustic Cell." Sensors 17, no. 4: 804.
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