Infrared and Laser Engineering, Volume. 52, Issue 9, 20230476(2023)
Research on high precision testing method for mirror optical axis of two-sided community aspheric mirror (invited)
Figures & Tables(11)
Fig. 3. Distribution of non working diffraction level stray light on aspheric surfaces S1 and S2
Fig. 4. Distribution of interference fringes when the angle between cgh and interferometer is 0.0001°
Fig. 5. Wavefront simulation when the angle between CGH1 and CGH2 is 0.001°
Table 1. CGH parameters of the primary mirror
View tableView in ArticleTable 1. CGH parameters of the primary mirror
Aera Aperture/mm Binary2 polynomial coefficients A4 A6 A8 A10 A12 A 16-80 −7.195E+004 1.987E+003 −1.074E+002 5.878E+000 0 B 80-120 5.057E+001 −2.035E-002 7.053E-006 −1.387E-009 1.104E-013 C 0-16 −1.30E+003 3.448E-001 0 0 0
Table 2. CGH parameters of the fourth-mirror
View tableView in ArticleTable 2. CGH parameters of the fourth-mirror
Aera Aperture/mm Binary2 polynomial coefficients A4 A6 A8 A10 A12 A 16-70 −8.213E+004 2.156E+003 −1.129E+002 3.788E+000 0 B 70-115 6.184E+001 −3.051E-002 7.361E-006 −2.237E-009 6.345E-013
Table 3. Theodolite measurement results
View tableView in ArticleTable 3. Theodolite measurement results
Measurement item 1st 2nd 3rd CGH 1 Horizontal $ {0}^{°} $ $ {0}^{°} $ $ {359.999\;8}^{°} $ Vertical $ {89.512\;9}^{°} $ $ {89.512\;9}^{°} $ $ {89.512\;9}^{°} $ CGH 2 Horizontal $ {180.007\;2}^{°} $ $ {180.007\;1}^{°} $ $ {180.007\;0}^{°} $ Vertical $ {90.489\;0}^{°} $ $ {90.489\;1}^{°} $ $ {90.489\;0}^{°} $
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Zhaoming Wang, Mengjuan Li, Qiuyue Yu, Chunlin Li, Ziyue Zhao, Jinghua Wang, Tianbin Lv, Zhaojian Zhang, Changsuo Yu. Research on high precision testing method for mirror optical axis of two-sided community aspheric mirror (invited)[J]. Infrared and Laser Engineering, 2023, 52(9): 20230476
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Received: Aug. 3, 2023
Accepted: --
Published Online: Oct. 23, 2023
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