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Photoacoustic Gas Detection with Electronic and Optical Microphones

Authors :
Oscar Elias Bonilla-Manrique
Marta Ruiz Llata
Jose A. Garcia-Souto
Julio E. Posada-Roman
Source :
Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors).
Publication Year :
2019
Publisher :
OSA, 2019.

Abstract

A photoacoustic gas system has been implemented for comparison of the performance of an electronic and an optical microphone as acoustic sensors. Results show a minimum detectable pressure of 79.5 μPa/Hz1/2 for the optical microphone.

Subjects

Subjects :
Erbium doped fiber amplifier
Materials science
Microphone
business.industry
Fiber laser
Photoacoustic imaging in biomedicine
Optoelectronics
business
Photoacoustic spectroscopy
Laser beams

Details

Database :
OpenAIRE
Journal :
Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors)
Accession number :
edsair.doi...........228797dd278d6dcca447d29cd11ab8a2
Full Text :
https://doi.org/10.1364/sensors.2019.stu2d.4
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