Journal of Applied Optics, Volume. 41, Issue 2, 235(2020)
Design and application of optical system for high-resolution micro space-borne camera
Figures & Tables(21)
Fig. 12. Image plane drift caused by temperature changes in vacuum
Table 1. System performance specification requirements
View tableView in ArticleTable 1. System performance specification requirements
Parameters Value Focal length/mm 179 Pupil diameter/mm ≥44 Distortion/% <3 Lens weight/g ≤800 Every lens weight/g ≤300 Imaging band/nm 450～800 Radiation resistance/krad ≥5 MTF Point MTF on axis:≥0.5@55 lp/mm ≥0.3@110 lp/mm 0.6 W field of MTF:≥0.4@55 lp/mm ≥0.25@110 lp/mm Boundary dimension/mm ≤ Φ 70 ×150Field angle/（º） 10.4（8.35º×6.25º） Relative illumination ≥0.7
Table 2. Structural parameters of optical system
View tableView in ArticleTable 2. Structural parameters of optical system
Surf Radius/mm Thickness/mm Glass Surf Radius/mm Thickness/mm Glass 1 − 5 SLLICA 11 48.24 6.26 H-ZF62 2 − 0.1 12 −242.53 13.89 H-ZLAF76 3 49.38 10.5 H-FK61 13 28.59 9.5 4 −322.26 0.18 STO − 12.95 5 54.39 5.82 H-FK61 15 −98.86 4.2 F5 6 185.58 1.09 16 −23.13 5.85 H-ZLAF68 7 − 0.38 17 −56.19 63.94 8 −637 2.6 H-ZLAF76 18 − 3 K9 9 35.57 5.56 H-LAK2 19 − 0 10 121.41 0.15 IMA − 0
Table 3. Glass material parameters of optical system
View tableView in ArticleTable 3. Glass material parameters of optical system
Material nd vd SLLICA 1.458 464 67.821 4 H-FK61 1.497 81.61 H-ZLAF76 1.850 13 30.06 H-LAK2 1.692 11 54.54 H-ZF62 1.922 86 20.88 F5 1.624 35 35.92 H-ZLAF68 1.883 39.22 K9 1.516 8 64.2
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Yufang CHEN, Zhencong WU, Min WANG. Design and application of optical system for high-resolution micro space-borne camera[J]. Journal of Applied Optics, 2020, 41(2): 235
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Received: May. 20, 2019
Accepted: --
Published Online: Apr. 23, 2020
The Author Email: WANG Min (mwang@fjnu.edu.cn)
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