...残留倾角的光学方法采用激光照明、时域激励 (excitation) 镜面以及 DMD 用离散光电检测器散射的周期性衍射级 (diffraction order) 进行时间域探询。
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order of diffraction [光] 衍射级 ; 绕射级 ; 准确程度
diffraction order separation 衍射级次分离
diffraction order measurement 衍射方法
diffraction order cross talk 衍射级次混叠
diffraction grating spectral order 衍射光栅光谱级
first order diffraction beam 一阶绕射束
even-order diffraction 偶数级衍射
The on - off of the first diffraction order of the grating is 87:1. The sample shows good switch ability.
制得的光栅其第一衍射级次的开关比为87：1，显示了较好的开关能力。
At the same time, degrees of polarization (DOP) of every diffraction order periodically alter with change of polarization orientation.
且各级衍射光的偏振度随着透振方向的改变而发生周期性的变化。
A new theoretical analysis of the contrast reversal images for the zeroth and other diffraction order encoded by a rectangular grating is given.
本文对矩形光栅编码图片的衍射零级与其它各级单独所成的象，其衬度能够反转的现象，提出了新的理论分析。
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