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Calibration function of the absolute atmospheric humidity for an arbitrary measurement interval at optimal laser wavelength set by the revealed invariance to pressure and temperature. The DIAL profile is simulated using actual sonde data.

Calibration function of the absolute atmospheric humidity for an arbitrary measurement interval at optimal laser wavelength set by the revealed invariance to pressure and temperature. The DIAL profile is simulated using actual sonde data.

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Figure 1. Deconvolution of a typical laser spectral profile of 5nm...
Figure 2. Calibration curves vs. atmospheric pressure and temperature...
Figure 3. Calibration function of the absolute atmospheric humidity for...
DIAL hygrometer based on powerful laser diodes: calibration function and modulation of laser radiation
Article
Full-text available
  • May 2023
A differential absorption lidar method utilizing the spectral and energetic properties of high-power, pulsed laser diodes for remote sensing of atmospheric humidity is reported. The laser radiation of selected complementary laser diodes is multiplexed in dual spectral channels centered at optimal wavelength of 0.86µm and 0.911µm. Humidity profiles...
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Context 1
... computer simulation on figure 3 demonstrates the method of retrieval of atmospheric humidity. The DIAL profile corresponds to actual data retrieved from atmospheric sonde daytime measurements above Sofia city (Bulgaria) [4]. ...

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