Correction Method of Star Position Error for Splicing Star Simulator

Gaofei SUN; Shanchi MING; Guoyu ZHANG; Shi LIU; Da XU

doi:10.3788/gzxb20215009.0912006

Acta Photonica Sinica, Volume. 50, Issue 9, 0912006(2021)

Correction Method of Star Position Error for Splicing Star Simulator

Gaofei SUN... Shanchi MING, Guoyu ZHANG, Shi LIU and Da XU |Show fewer author(s)

Jilin Province Engineering Research Center，Jilin Province Engineering Research Center，College of Optoelectronic Engineering， Changchun University of Science and Technology，Changchun130022， China

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Figures & Tables(10)

Fig. 1. Experimental device diagram

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Fig. 2. Influence of lateral aberration on off-axis imaging beams

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Fig. 3. Optical structure

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Fig. 4. Aberrations of collimating optical system

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Fig. 5. Energy images

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Fig. 6. Star point measurement schematic map

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Fig. 7. Measuring device of splicing star simulator

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Fig. 8. Variation of star position error before and after correction

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Table 1. Star simulation indicators
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Table 1. Star simulation indicators
Technical specifications Index parameter
FOV 22°
Caliber 10 mm
Single star field angle 35″

Table 2. Accuracies of the star simulator before and after correction

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Table 2. Accuracies of the star simulator before and after correction

No.	$α_{m}$ /（°）	$β_{m}$ /（°）	Theoretical value/（°）	Error before correction/（"）	Error after correction/（"）
1	201.30	82.89	7.87	30.69	5.39
2	195.71	80.67	9.70	41.71	8.49
3	192.43	87.12	6.38	20.42	2.49
4	191.26	83.78	9.29	38.09	7.16
5	190.44	82.40	10.84	48.78	6.19
6	204.86	90.16	6.85	22.67	10.75
7	202.99	97.67	9.17	36.22	4.49
8	202.78	94.62	6.64	21.25	8.65
9	201.67	99. 35	10.08	42.84	7.95
10	199.45	99.75	9.91	40.63	1.66
11	199.11	93.41	3.59	11.13	8.25
12	197.90	97.00	7.05	26.79	9.33
14	194.68	88.37	3.79	11.37	7.55

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Gaofei SUN, Shanchi MING, Guoyu ZHANG, Shi LIU, Da XU. Correction Method of Star Position Error for Splicing Star Simulator[J]. Acta Photonica Sinica, 2021, 50(9): 0912006

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