Zhanpeng MA, Yaoke XUE, Yang SHEN, Chunhui ZHAO, Canglong ZHOU, Shangmin LIN, Hu WANG. Design and Realization of Visible/LWIR Dual-color Common Aperture Optical System[J]. Acta Photonica Sinica, 2021, 50(5): 24
- Acta Photonica Sinica
- Vol. 50, Issue 5, 24 (2021)
Fig. 1. Structure of Cassegrain system
Fig. 2. Structure of visible light
Fig. 3. Refraction diagram of the dichroic beam splitter
Fig. 4. Structure of LWIR
Fig. 5. Structure of visible / LWIR dual-color integrated system
Fig. 6. Encircled energy of visible and LWIR
Fig. 7. Spot diagram of visible and LWIR
Fig. 8. Distortion of visible and LWIR
Fig. 9. Preset tolerance values
Fig. 10. 3D structure of dual-color integrated system
Fig. 11. Field test picture of the camera
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Table 1. Main parameters of optical system
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Table 2. Initial structure of pre-system
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Table 3. Diameter of different fields of two bands (with 80 percent of energy)
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Table 4. RMS Radius of different fields of two bands
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Table 5. RMS spot radius tolerance analysis
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