Author Affiliations
1Key Laboratory of Advanced Micro-Structure Materials, Ministry of Education, Shanghai 200092, China2Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, Chinashow less
Fig. 1. Schematic diagram of the Wolter-I telescope used in the calculations.
Fig. 2. Paths of X rays when reflected by the quadric mirror.
Fig. 3. Different images of cone-quadric structures produced by Zemax simulations. (a) CH structure, (b) CP structure, and (c) CE structure.
Fig. 4. Different images of cone-quadric structure after optimization. (a) CH structure, (b) CP structure, and (c) CE structure.
Fig. 5. Image of quadric cone.
Fig. 6. Image of quadric cone after optimization.
Fig. 7. Nested structure of the Wolter-I telescope.
Fig. 8. Image of CH nested structure.
Fig. 9. Changes in angular resolution (HPD) with changes in the field of view.
Fig. 10. Changes in geometrical collection area with changes in the field of view.
(deg.) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) |
---|
0.7083 | 9198 | 9098 | 8998 | 226.233 | 225 | 221.332 |
|
Table 1. Parameters of the Wolter-I Structure
| (mm) | | (mm) | (mm) | (mm) |
---|
CH | −2.781 | −1.001 | 0.502 | −0.233 | 0.502 | CP | −8.185 | −1 | 6.152 | 1.928 | 6.152 | CE | −12.476 | −0.998 | 9.729 | −1.670 | 9.729 |
|
Table 2. Parameters of CH, CP, and CE Structures
Structure (mm) | CH | CP | CE |
---|
Before optimization | F | 4550 | 4550 | 4550 | Radius of spot | 0.479 | 6.136 | 9.622 | After optimization | F change | −3.061 | +83.853 | +74.640 | Radius of spot | 0.310 | 2.090 | 6.155 |
|
Table 3. Optimization of Parameters of CH, CP, and CE structures
| (mm) | (mm) | (mm) | (mm) | | (mm) |
---|
PC | −2.782 | | | | 1 | 2.782 | HC | | | | | 1 | 2.782 | EC | | | i | | 1 | 2.782 |
|
Table 4. Parameters of PC, HC, and EC Structures
Before Optimization | After Optimization |
---|
Focal length (mm) | 4550 | Focal length change (mm) | +81.037 | Radius of spot (mm) | 4.322 | Radius of spot (mm) | 0.359 |
|
Table 5. Optimization of PC Structure
FOV (arcmin) | PH structure | CC structure | CH structure |
---|
0 | | | | 5 | | | | 10 | | | | 15 | | | | 20 | | | |
|
Table 6. Spot Diagrams of Three Types of Nested Structures from Different Fields of View