Chen Qiubai, Zhang Qiyuan, Wang Yan, Xu Shuai, Wang Quanzhao, Han Sen. Design of Ring Source for Fizeau Interferometer Based on Annular Lens[J]. Laser & Optoelectronics Progress, 2021, 58(1): 112003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 1, 112003 (2021)
Fig. 1. Structure diagram of Fizeau interferometer
Fig. 2. Schematic diagram of optical path on imaging plane
Fig. 3. Structure of annular lens and the generation of ring source. (a) Structure of annular lens; (b) generation of ring source
Fig. 4. Double telecentric path used to scale a ring source
Fig. 5. Relationship between the image-space numerical aperture of double telecentric lens and the object-space numerical aperture of collimating lens
Fig. 6. Diagram of ring source system
Fig. 7. 5-fold beam expanding system. (a) 2D layout; (b) axial field of wavefront map; (c) off-axial field of wavefront map
Fig. 8. Annular lens parameters
Fig. 9. Aspheric lens. (a) Layout; (b) spot diagram
Fig. 10. Double telecentric lens
Fig. 11. Spot diagram
Fig. 12. Structure diagram of annular lens
Fig. 13. Optical system of ring source
Fig. 14. Ring source based on annular lens system
Fig. 15. Two kinds of Fizeau interferometers based on ring source illumination. (a) Ring source illumination based on binary grating; (b) ring source illumination based on annular lens
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