MEASURING EQUIPMENT FOR STUDYING CRYODEPOSITE OF CONDENSABLE VAPOUR ON OPTICAL SURFACES
Guo Qing;Pei Yuntian(Shanghai Institute of Technical Physics,Chinese Academy of Science, Shanghai 200083)Lan Zengrui(Shanghai Institute of Spacecraft Engineering, Shanghai 200240)Meng Xianhua; Yang Xuemei; Wang Aibing(Shanghai Institute of Measurement, Sh