基于半球形声学共振腔的光声光谱气体传感系统研究

王高旋^1,², 丁志华^3,^*, 高晓明^4,^*

Research on Gas Sensing System Using Photoacoustic Spectroscopy Based on a Hemispherical Acoustic Resonant Cavity

WANG Gao-xuan^1,², DING Zhi-hua^3,^*, GAO Xiao-ming^4,^*

4×10^-6甲烷、 2%水汽和4×10^-6甲醛分别在1 653 nm(a)和3 640 nm(b)的模拟吸收光谱