Acta Optica Sinica, Volume. 42, Issue 18, 1812005(2022)
Star Simulation Technology Based on High-Precision Jitter Compensation System
Figures & Tables(19)
Fig. 12. Compensation mirror deflection test results along different axes. (a) X axis; (b) Y axis
Table 1. Ray tracing parameters
View tableTable 1. Ray tracing parameters
Model type Setting Light source Source point；
Total rays：100000；
Polarization：random polarization；
Cone angle：3°
Jitter compensation mirror Silver-plated film；
Reflectivity：98.7%；
Wavelength：0.4-0.9 μm
Starlight collimating lens Field：±6.3°；
Aperture value：40 mm；
Effective focal length：330.046 mm
Off-axis triple reflection system Object type：paraxial lens；
Focal length：3000 mm
Detector Type：detector rectangle；
Full width at half maximum：2.5 mm；
Pixel No.：1000
Small reflector Diameter：20 mm；
Surface property：silver plated reflective film
Table 2. Compensation resolution test results
View tableTable 2. Compensation resolution test results
Measurement serial number Deflection angle /μrad Star center coordinates /pixel 1 600.00 461.15315 2 600.05 461.11479 3 600.10 461.06843 4 600.15 461.02907 5 600.20 460.98971 6 600.25 460.94293 7 600.30 460.90499 8 600.35 460.86563 9 600.40 460.82927 10 600.45 460.78291 11 600.50 460.73255 12 600.55 460.69818 13 600.60 460.65982
Table 3. Star simulation experiment parameters
View tableTable 3. Star simulation experiment parameters
Category Parameter Multi-star dot board Diameter：77 mm；
Transmittance：0.0001
Single star dot board Diameter：12.7 mm；
Transmittance：0.0001；
Star point size：50 μm
Starlight collimating lens Field：±6.3°；
Aperture value：40 mm；
Effective focal length：330.046 mm
Off-axis triple reflection system Field：±2°；
Focal length：3000 mm；
Light output aperture：300 mm
Detector Type：detector rectangle；
Full width at half maximum：2.5 mm；
Pixel No.：1000
Star sensor Field：±2°；
Focal length：1000 mm
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Yongxing Yang, Xinrui Wang, Yunzhi Zhu, Xinhua Lai, Qitong Li, Beibei Chen, Jingyuan Zhang, Jinpeng Li. Star Simulation Technology Based on High-Precision Jitter Compensation System[J]. Acta Optica Sinica, 2022, 42(18): 1812005
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: Mar. 7, 2022
Accepted: Apr. 12, 2022
Published Online: Sep. 15, 2022
The Author Email: Li Jinpeng (lijinpeng@nairc.ac.cn)
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