Archive > Volume 14 Issue 4 > 2018,14(4):250-256. DOI:10.1007/s11801-018-7273-0 CSTR:[cstr] Prev Next
The influence of dichroic beam splitter on the airborne multiband co-aperture optical system
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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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