Xiaokun Wang, Erhui Qi, Haixiang Hu, Hang Su, Lingzhong Li, Jing Wang, Xiao Luo, Xuejun Zhang. Optical testing of the super-large plane mirror (Invited)[J]. Infrared and Laser Engineering, 2022, 51(1): 20210953
- Infrared and Laser Engineering
- Vol. 51, Issue 1, 20210953 (2022)
Fig. 1. The sketch of testing large mirror by pentaprism scanning
Fig. 2. Flow chart of testing large mirror by pentaprism scanning
Fig. 3. Flow chart of testing large mirror by SSI
Fig. 4. Sketch of testing large mirror by SSI
Fig. 5. Calculation in the overlapping areas
Fig. 6. Flow chart of testing low-order error of TMT-M3
Fig. 7. Sketch of setup of testing TMT-M3 by scanning pentaprism
Fig. 8. Sketch of testing TMT-M3 by Fizeau interferometry with 1.5 m reference mirror
Fig. 9. Distribution of subaperture of testing TMT-M3 by SSI
Fig. 10. Setup of testing the prototype by scanning pentaprism
Fig. 11. Testing results of the prototype by scanning pentaprism
Fig. 12. Setup and subaperture distrbution of testing the prototype by SSI
Fig. 13. Testing results of the prototype by SSI
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