Infrared and Laser Engineering, Volume. 53, Issue 10, 20240323(2024)
Design method of off-axis three-mirror optical system for testability of mirror surface shape error
Figures & Tables(15)
Fig. 3. CGH calculation schematic diagram based on even aspherical surface
Fig. 7. Optical system optimized for image quality-"System 1". (a) Layout diagram; (b) MTF diagram
Fig. 8. CGH phase function diagram (a) and compensation periods diagram (b)
Fig. 9. Optimization result for "System 2". (a) Layout diagram; (b) MTF diagram
Fig. 10. CGH phase function diagram (a) and compensation periods diagram (b)
Table 1. Optical system index requirements
View tableView in ArticleTable 1. Optical system index requirements
Optical system index Requirement Focal length/mm 800 F-number 4 Filed of view/(°) 14×2 Wavelength/nm 632.8
Table 2. Tertiary mirror parameters of "System 1"
View tableView in ArticleTable 2. Tertiary mirror parameters of "System 1"
Parameter Value D/mm 1030 R/mm − 1291.19 k 0.1839 A6 − 1.0120 ×10−18A8 − 1.0626 ×10−24Test area/mm X direction: −319-+319 Y direction: 166-463
Table 3. CGH parameters
View tableView in ArticleTable 3. CGH parameters
Parameter Value D/mm 80 d1/mm 1180 d2/mm 180 Maximum spatial frequency/lp·mm–1 207.3 Minimum line width position/mm 36.9 Minimum line width/μm 4.84
Table 4. Tertiary mirror parameters of "System 2"
View tableView in ArticleTable 4. Tertiary mirror parameters of "System 2"
Parameter Value D/mm 716 R/mm − 1269.44 k 0.1867 A6 − 1.1749 ×10−18A8 − 2.1438 ×10−24Test area/mm X direction: −320-320 Y direction: −51-264
Tools
Get Citation
Copy Citation Text
Haixin ZHANG, Qingyu MENG, Jiangnan WANG, Meichen LIU, Lei LI. Design method of off-axis three-mirror optical system for testability of mirror surface shape error[J]. Infrared and Laser Engineering, 2024, 53(10): 20240323
Paper Information
Category: 光学设计
Received: Jul. 16, 2024
Accepted: --
Published Online: Dec. 13, 2024
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20