Mass spectrum analysis of mixture gas in fusion targets

The structure of quadrupole mass spectrometers (QMS) and the quantitative analysis principle of gas analysis mass spectrometers (GAM) are described. The GAM system is very sensitive and can be used to quantitatively analyze the gas mixture in fusion targets. It can work in a normal resolution mode or in a high resolution mode. In the high resolution mode, it can selectively detect deuterium (with a mass number of 4.028 2) and helium (with a mass number of 4.002 6). This system can offer reference data of filled microsphere targets for inertial confinement fusion (ICF) experiments.