All-optical fiber multi-point photoacoustic spectroscopic gas sensing system

Congzhe Zhang,Yuanhong Yang,Yuechuan Lin,Yanzhen Tan,Michael Lengden,Gordon Humphries,Walter Johnstone,Hoi Lut Ho,Wei Jin

All-optical fiber multi-point photoacoustic spectroscopic gas sensing system

2018

Congzhe Zhang
Yuanhong Yang
Yuechuan Lin
Yanzhen Tan
Michael Lengden
Gordon Humphries
Walter Johnstone
Hoi Lut Ho
Wei Jin

An all-optical fiber multi-point photoacoustic spectroscopy gas sensing system is presented. The system can operate up to ten sensing points with a 1 ppm level C2H2 detection sensitivity for each sensor.

Keywords:

Photoacoustic imaging in biomedicine
Fiber optic sensor
Optoelectronics
Photoacoustic spectroscopy
Pressure measurement
Optical fiber
Fiber
Materials science
sensing system
Attenuation coefficient
Time-division multiplexing
all optical

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