1 September 2007 Raman lidar system for hydrogen gas detection
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Optical Engineering, 46(9), 094301 (2007). doi:10.1117/1.2784757
A Raman lidar system for detection of hydrogen gas has been developed. The lidar system consists of a pulsed Nd:YAG laser of wavelength 355 nm and a Newtonian telescope of aperture 212 mm. The system can detect hydrogen gas by either rotational or vibrational Raman backscatter up to a distance of 30 m in outdoor, daylight conditions. Furthermore, the system can perform two-dimensional mapping of the hydrogen gas distribution by spatial scanning of the laser beam within the telescope field of view.
Hideki Ninomiya, Saeko Yaeshima, Kouji Ichikawa, Tetsuo Fukuchi, "Raman lidar system for hydrogen gas detection," Optical Engineering 46(9), 094301 (1 September 2007). https://doi.org/10.1117/1.2784757

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