Ke Yu, Fengqi Li, Yanji Yang, Zijian Zhao, Bing Lu, Jiawei Zhang, Yong Chen, Kaiji Wu. Analysis of Diffraction Effects in Visible Wavelength Tests for Wolter-I X-Ray Telescope[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1926002
- Laser & Optoelectronics Progress
- Vol. 60, Issue 19, 1926002 (2023)
Fig. 1. Diagram of the visible light test facility for Wolter-I focusing mirror shells
Fig. 2. Schematic of the light path for the Wolter-I focusing mirror
Fig. 3. Diagram of the searching focus on-axis of the mirror shell (example data from EP-FXT#23 mirror shell)
Fig. 4. 40 mm extra focal of the 18th EP-FXT mirror shell
Fig. 5. Diffraction effect of all EP-FXT focusing mirror shells at 473 nm parallel visible light
Fig. 6. Testing results of the 18th EP-FXT mirror shell in visible light. (a) Focal image; (b) encircled energy function
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Table 1. Key parameters of the 18th EP-FXT focusing mirror shell
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