Design of Off-Axis Three-Mirror Anastigmat Optical Systems with Low Error Sensitivity and Large Field of View

Fig. 1. Schematic diagrams of ray tracing for the primary mirror with errors in an off-axis three-mirror anastigmat (TMA) optical system. (a) Tilt; (b) decenter

Download full size

Fig. 2. Mathematical analysis model of error sensitivity for single-mirror optical system. (a) Tilt; (b) decenter

Download full size

Fig. 3. Flowchart of the design process of off-axis TMA optical system with low error sensitivity and a large field of view

Download full size

Fig. 4. Pareto front

Download full size

Fig. 5. Optical system layouts. (a) Area Ⅰ; (b) area Ⅱ; (c) area Ⅲ

Download full size

Fig. 6. Optical system layouts, MTF, and MTF degradation due to errors. (a) System 1; (b) system 2; (c) system 3

Download full size

Fig. 7. Optical system layout, MTF, and MTF degradation due to errors of system 4

Download full size

Fig. 8. Error sensitivity comparison diagrams. (a) Comparison of 2000 times Monte Carlo analysis results for system 3 and system 4; (b) comparison of the full field of view error sensitivity for system 3 and system 4

Download full size

Table 1. Optical system design specifications
View table
Table 1. Optical system design specifications
Parameter Value
Wavelength /nm 632.8
F-number 6.7
Focal length /mm 100
Field of view /［（°）×（°）］ 40×4
MTF at 100 lp/mm >0.4

Table 2. Ranges of parameter values
View table
Table 2. Ranges of parameter values
Parameter α₁ α₂ β₁ β₂ $e_{1}^{2}$ $e_{2}^{2}$ $e_{3}^{2}$
Range ［0.3，0.5］［1.5，1.8］［1.2，2］［0.35，1］［-5，5］［-5，5］［-5，5］

Tools

Get Citation

Copy Citation Text

Chengming Ren, Qi Chen, Qingyu Meng. Design of Off-Axis Three-Mirror Anastigmat Optical Systems with Low Error Sensitivity and Large Field of View[J]. Acta Optica Sinica, 2024, 44(16): 1622002

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites