Chao Cao, Sheng Liao, Zhiyuan Liao, Yu Bai, Bingxu Chen, Zhenjie Fan. Design of Cooled Freeform-Surface Off-Axis Reflective Optical System[J]. Acta Optica Sinica, 2019, 39(11): 1122001
- Acta Optica Sinica
- Vol. 39, Issue 11, 1122001 (2019)
Fig. 1. Schematic of optical system with offset entrance pupil
Fig. 2. Ray-tracing model
Fig. 3. Initial configuration of cooled off-axis three-mirror optical system
Fig. 4. RMS diameters of spot diagram of initial configuration
Fig. 5. Cooled off-axis three-mirror optical system after optimization
Fig. 6. RMS diameters of spot diagram of designed optical system
Fig. 7. MTFs of designed optical system
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Table 1. System specifications
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Table 2. Ranges of configuration parameters and results of optimization
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