1.main function

Experiments for plasma charging on exposed materials of spacecrafts

Experiments for current leaking and arcing of solar cell array of satellites in space plasma environment

Experiments for pseudo instruction and misoperation reinforcement of satellite circuit caused by surface charging

Calibration experiments for detector of low energy particles, composition and surface voltage

        Plasma source  electron beam source  ion beam source

2.main technical parameters

Vacuum Chamber:

Size of vacuum chamber: 2.4m×Φ1m； 

Vacuum degree: 10^-5Pa；

Low electron beam source:

Energy range: ：100eV～25KeV

Energy uncertainty: ＜15％；

Beam density: 10pA～2nA/cm²；

Beam nonuniformity:  ±10％；

Beam instability: ±5％；

Size of beam spot: ＞Φ8cm； 

Low ion beam source:

Energy range:  5KeV～20KeV

Energy uncertainty:  ≤±15％；

Beam density: 0.1～2nA/cm²；

Beam nonuniformity: ≤±10％；

Beam instability:  ≤±5％；

Size of beam spot: ＞Φ7cm；

Plasma source:

Plasma density: 10⁶～10⁷/cm³;

Temperature of electron: ＜2eV； 

    Stability: 97％.