Title :
Investigation of trace gas sensor based on QEPAS method using different QTFs
Author :
Yufei Ma ; Guang Yu ; Jingbo Zhang ; Xin Yu ; Hao Luo ; Deying Chen ; Rui Sun ; Tittel, Frank K.
Author_Institution :
Nat. Key Lab. of Sci. & Technol. on Tunable Laser, Harbin Inst. of Technol., Harbin, China
Abstract :
A trace gas sensor platform based on quartz-enhanced photoacoustic spectroscopy using quartz tuning forks (QTFs) with resonant frequency of 38 kHz and 40 kHz were experimentally investigated and theoretically analyzed for the first time.
Keywords :
gas sensors; optical sensors; photoacoustic spectra; photoacoustic spectroscopy; quartz; vibrations; QEPAS method; QTF; frequency 38 kHz; frequency 40 kHz; quartz tuning forks; quartz-enhanced photoacoustic spectroscopy; resonant frequency; trace gas sensor platform; Atmospheric measurements; Modulation; Noise; Noise measurement; Resonant frequency; Sensors; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
