Jin He, Zhai Zhengyi, Du Weifeng, Wu Yongkang, Gao Yuan. Method for Experimental Analysis of Thermostability of Star Sensors[J]. Chinese Journal of Lasers, 2020, 47(4): 404002
- Chinese Journal of Lasers
- Vol. 47, Issue 4, 404002 (2020)
Fig. 1. Typical structure of star sensor
Fig. 2. Design of thermostability experiment
Fig. 3. Details in vacuum tank
Fig. 4. Thermal control with multilayer cladding
Fig. 5. Auto-collimation outside vacuum tank
Fig. 6. Error analysis. (a) x axis or y axis error; (b) z axis error
Fig. 7. Distribution of temperature measurement point
Fig. 8. Changes of measuring coordinate system caused by baffle heating. (a) Thermal deformation removing frock part; (b) temperature of each measurement point
Fig. 9. Change of measuring coordinate system caused by mounting support heating. (a) Thermal deformation removing frock part; (b) temperature of each measurement point
Fig. 10. Optical axis drift with mounting surface temperature ranging from 17 ℃ to 23 ℃
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