Infrared and Laser Engineering, Volume. 49, Issue 4, 0414003(2020)
Parametric design and test of flexible support for mirror of single trans optical terminal
Figures & Tables(20)
Fig. 5. Relationship between the center angle of grooved circle
Fig. 9. Mirror subassembly object and assembly drawing of the whole machine
Fig. 11. Results of mirror subassembly surface shape testing at different temperatures
Table 1. Material properties of reflector components
View tableView in ArticleTable 1. Material properties of reflector components
Part Material ρ /g·cm−3E /GPaμ α /℃Mirror Zerodur 2.53 90.6 0.23 0.05×10−6 Support 4J32 8.02 145 0.26 0.3×10−6 Plate TC4 4.44 109 0.29 8.9×10−6
Table 2. Level table of parameter factors for flexible support structures
View tableView in ArticleTable 2. Level table of parameter factors for flexible support structures
Level Factors △ R /mmθ /（°）B /mmR 2/mmr /mm1 2.5 15 1 27 0.25 2 3 30 1.5 27.5 0.5 3 3.5 45 2 28 0.75 4 4 60 2.5 28.5 1
Table 3. Orthogonal test scheme
View tableView in ArticleTable 3. Orthogonal test scheme
No. △ R θ B R 2r P 1 2.5 15 1 27 0.25 15.38 2 2.5 30 1.5 27.5 0.5 16.13 3 2.5 45 2 28 0.7.5 20.04 4 2.5 60 2.5 28.5 1 27.26 5 3 15 1.5 28 1 14.71 6 3 30 1 28.5 0.75 9.54 7 3 45 2.5 27 0.5 18.88 8 3 60 2 27.5 0.25 20.17 9 3.5 15 2 28.5 0.5 9.34 10 3.5 30 2.5 28 0.25 12.79 11 3.5 45 1 27.5 1 8.08 12 3.5 60 1.5 27 0.75 12.66 13 4 15 2.5 27.5 0.75 22.35 14 4 30 2 27 1 10.73 15 4 45 1.5 28.5 0.25 13.28 16 4 60 1 28 0.5 19.54
Table 4. Range analysis of factors
View tableView in ArticleTable 4. Range analysis of factors
Number A B C D E Factors △ R θ B R 2r N 119.7 15.45 13.14 14.41 15.4 N 215.83 12.29 14.19 16.68 15.97 N 210.72 15.07 15.07 16.77 16.15 N 416.48 19.41 19.82 14.86 15.19 R 8.98 7.12 6.68 2.36 0.96
Table 5. Results of modal analysis of mirror subassembly
View tableView in ArticleTable 5. Results of modal analysis of mirror subassembly
Order Fz /HzMode of vibration 1 352.61 Around X axis direction2 486.29 Around Y axis direction3 488.98 Around Y axis direction
Table 6. Analysis results of mirror surface error under 10 ℃ uniform temperature rise(reduction) and 1 g gravity(Unit: nm)
View tableView in ArticleTable 6. Analysis results of mirror surface error under 10 ℃ uniform temperature rise(reduction) and 1 g gravity(Unit: nm)
Load case direction Temperature rise Temperature reduction PV RMS PV RMS X λ /10.84λ /58.27λ /10.69λ /57.84Y λ /10.76λ /58.11λ /10.84λ /57.79Z λ /10.14λ /54.97λ /11.4λ /60.61
Table 7. Results of mirror subassembly surface shape testing(Unit: nm)
View tableView in ArticleTable 7. Results of mirror subassembly surface shape testing(Unit: nm)
Temperature/℃ PV RMS 10 λ /6.62λ /4320 λ /6.94λ /5230 λ /6.9λ /50
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Xiaoming Li, Guibing Wang, Lizhong Zhang, Tianyu Wang, Tianshuo Zhang. Parametric design and test of flexible support for mirror of single trans optical terminal[J]. Infrared and Laser Engineering, 2020, 49(4): 0414003
Paper Information
Received: Dec. 15, 2019
Accepted: --
Published Online: May. 27, 2020
The Author Email: Li Xiaoming (lxmkidd@163.com)
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