Hubert van den Bergh, Bertrand Calpini, Valentin Simeonov, Valentin Mitev
Mixts. of methane, H, and Ar (CH4:H2:Ar) were studied as UV Raman shifters for ozone differential absorption lidar application. They have higher photochem. stability than pure CH4 and the capability to produce, with high enough efficiency, either 1st CH4 S ...
1998