XING Zhen-chong,HONG Yong-feng,ZHANG Bao.The influence of dichroic beam splitter on the airborne multiband co-aperture optical system[J].Optoelectronics Letters,2018,14(4):250-256 |
The influence of dichroic beam splitter on the airborne multiband co-aperture optical system |
Author Name | Affiliation | XING Zhen-chong | Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China | HONG Yong-feng | Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China | ZHANG Bao | Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China |
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Abstract: |
The multiband co-aperture optical system with compact structure can achieve full and effective integration of multi-source intelligence information, which is one of the development direction of the optical system. Dichroic beam splitter is a vital optical component to make several systems with different bands share one aperture. The effect of the dichroic beam splitter on the multiband co-aperture optical system is analyzed by matrix optics method and primary aberration theory. The results indicate that the reflection angle of the dichroic beam splitter as a reflector changes imaging direction, and the wedge angle of the dichroic beam splitter as a transmission component increases some aberrations. |
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