Hongwei Gao, Zhongming Yang, Hongbo Liu, Xingang Zhuang, Zhaojun Liu. Design of portable infrared target simulator system[J]. Infrared and Laser Engineering, 2023, 52(3): 20220554
- Infrared and Laser Engineering
- Vol. 52, Issue 3, 20220554 (2023)
Fig. 1. Block diagram of portable infrared target simulation system
Fig. 2. Layout of optical system
Fig. 3. (a) 2D and (b) 3D layout of collimator system
Fig. 4. Wavefront diagram at the exit of the system pupil
Fig. 5. Design of mechanical structure
Fig. 6. Optical machine thermal integrated analysis process
Fig. 7. Model of finite element analysis
Fig. 8. Result of finite element analysis of the primary mirror (a) and the secondary mirror (b)
Fig. 9. Wavefront plot with a temperature difference of 30 ℃
Fig. 10. (a) Structure of target holder; (b) Target patterns
Fig. 11. Fabricating of infrared target simulation system
Fig. 12. System installation and commissioning steps
Fig. 13. Adjustment result of collimator system
Fig. 14. Imaging results at 10 m distance
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Table 1. Paraxial parameters of collimator
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Table 2. Results of wavefront analysis
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Table 3. Shape variable of primary and second mirrors with a temperature difference of 30 ℃
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Table 4. Rigid body change value of primary and second mirrors with a temperature difference of 30 ℃
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Table 5. Zernike coefficients of collimator
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