Fig. 1. Principle of the photon counting process.
Fig. 2. 3D design lay-out of developed photon counting Raman lidar system.
Fig. 3. Photon counting results at 100 vol.% of hydrogen gas concentration.
Fig. 4. Results of the first experiment according to the variation of the hydrogen gas concentration.
Fig. 5. Results of the second experiment according to the variation of the hydrogen gas concentration.
Fig. 6. Results of the third experiment according to the variation of the hydrogen gas concentration.
Table 1. Comparison of the specification of previously invented Raman lidar system[1-9]
Table 2. Specifications of developed photon counting Raman lidar system
Table 3. Analysis results of the first experiment according to the variation of the hydrogen gas concentration
Table 4. Analysis results of the second experiment according to the variation of the hydrogen gas concentration
Table 5. Analysis results of the third experiment according to the variation of the hydrogen gas concentration
Table 6. Results of the average error rate and standard deviation according to the experiment No.
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