[19a-438-1~12] 3.8 Optical measurement, instrumentation, and sensor

[19a-438-2] Measurement of H2O Concentration using Electronic Cavity Ring Down Spectroscopy

〇(M2)Yang Cao¹, Yuki Kakushi¹, Yoshinobu Maeda¹ (1.Kindai Univ.)

Keywords:semiconductor laser, cavity ring down spectroscopy

To make the device small and easy to handle, traditional CRDS device was constructed
using electronic circuit and semiconductor laser. As the number of ring down pulses increases, the
variation in β decreases and high resolution can be achieved by Electronic CRDS.