激光与光电子学进展, 2018, 55 (3): 033002, 网络出版: 2018-09-10
基于可调谐半导体激光吸收光谱的小型化C2H2测量系统 下载: 1269次
Compact Acetylene Detecting System Based on Tunable Diode Laser Absorption Spectroscopy
图 & 表
图 1. (a) C2H2浓度测量装置原理图;(b)小型化C2H2检测仪实物图
Fig. 1. (a) Schematic of concentration detecting device of C2H2; (b) photo of compact C2H2 detecting instrument
图 3. 不同温度下激光器峰值波数随注入电流的变化
Fig. 3. Variation of peak wavenumber of laser with injection current at different temperatures
图 4. C2H2体积分数为5×10-5的标准气在不同总压强和调制幅度时的二次谐波信号幅值
Fig. 4. Second harmonic signal amplitude of standard gas with C2H2 volume fraction of 5×10-5 at different total pressures and modulation amplitudes
图 5. (a)不同体积分数C2H2的波长调制二次谐波信号;(b)二次谐波信号幅值与C2H2体积分数的关系;(c)测量误差
Fig. 5. (a) Wavelength modulation second harmonic signals for C2H2 with different volume fractions; (b) relationship between amplitude of second harmonic signal and C2H2 volume fraction; (c) detecting deviation
蒋利军, 邱选兵, 周庆红, 邵李刚, 杨雯, 魏计林, 李传亮, 马维光. 基于可调谐半导体激光吸收光谱的小型化C2H2测量系统[J]. 激光与光电子学进展, 2018, 55(3): 033002. Lijun Jiang, Xuanbing Qiu, Qinghong Zhou, Ligang Shao, Wen Yang, Jilin Wei, Chuanliang Li, Weiguang Ma. Compact Acetylene Detecting System Based on Tunable Diode Laser Absorption Spectroscopy[J]. Laser & Optoelectronics Progress, 2018, 55(3): 033002.