binary lens 双透镜
Binary Optics Lens 二元光学透镜
binary optical lens 二元光学透镜
binary fresnel diffractive lens 二元菲涅耳衍射透镜
The calculated results show that the binary lens has practical application value in field flattening optical system.
计算结果表明，二元透镜在平场光学系统中具有实用价值。
A binary Fresnel lens with 8 phase steps can be manufactured with micro-optical element fabricating technology and three times of alignment according to Fresnel diffraction theory.
根据菲涅耳衍射理论，采用微光学元件制作技术，通过三次套刻制作出八位相台阶的二元离轴菲涅耳透镜。
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