Acta Physica Sinica, Volume. 68, Issue 20, 204204-1(2019)
Fig. 1. The system schematic diagram of FTS-CRDS and CW-CRDS. LC, laser current and temperature controller; FI, fiber isolator; AOM, acousto-optic modulator; APD, avalanche photodiode; DDG, digital delay generator; PZT, piezoelectric transducer; WM, wavelength meter; DAQ, data acquisition system; WM, wavelength meter.FTS-CRDS与CW-CRDS方法的系统原理图 LC, 激光电流和温度控制器; FI, 光纤隔离器; AOM, 声光调制器; APD, 雪崩光电二极管; DDG, 数字延迟发生器; PZT, 压电换能器; DAQ, 数据采集系统; WM, 波长计
Fig. 2. (a) Instantaneous laser current (blue) and instantaneous ring-down time (black),
Fig. 3. The amplitude spectrum of
Fig. 4. (a) Ring-down time measured by CW-CRDS,
Fig. 5. The absorption spectra (black dotted line) of CO measured by the two methods and the best fit of Voigt profile (red) and Galatry profile (blue): (a) CW-CRDS; (b) FTS-CRDS; the
Fig. 6. The measured spectral parameters for various pressures (CW-CRDS (red), FTS-CRDS (black): (a)
Measured spectral parameters and uncertainties by CW-CRDS and FTS-CRDS.
FTS-CRDS和CW-CRDS测量的光谱参数及其不确定度
Measured spectral parameters and uncertainties by CW-CRDS and FTS-CRDS.
FTS-CRDS和CW-CRDS测量的光谱参数及其不确定度
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Zhen Wang, Yan-Jun Du, Yan-Jun Ding, Zhi-Min Peng.
Received: Jul. 11, 2019
Accepted: --
Published Online: Sep. 17, 2020
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