二元光学器件（Binary Optical Element）是一种纯相位器件，具有很高的衍射效率。理论情况下，两台阶衍射效率达 41，四台阶达 81，八台阶达95。
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boe binary optical element 二元光学元件
a binary optical element 二元光学元件
binary optical element boe 二元光学元件
binary diffractive optical element 二元衍射光学元件
A novel binary optical element, which has the functions of filtering, beam-splitting and imaging, is designed and fabricated.
本文利用微光学技术设计并研制了一种同时具有滤波、分束和成象功能的二元光学全互连器件。
CGH element is designed and fabricated based on the computer generated hologram and the binary optical technique, and is applied in wavefront transformation.
运用计算全息原理与二元光学技术设计制作了用于波面变换的计算全息cgh元件。
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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