用X射线衍射仪、光学金相显微镜、透射电镜和扫描电镜研究了磁体的结构； 用磁强自动记录仪测量了磁体的退磁曲线。
The structure of the magnet was investigated by XRD, optical microscope, TEM and SEM, and its demagnetization curve was tested by magnetograph.
为了提高光学衍射法细圆柱体直径测量精度，用递归法建立了更精确的改进模型。
To improve measurement accuracy of thin cylinder's diameter by optical diffraction, an improved model is established with recursive method, which is more accurate.
根据光学衍射成像理论，建立了黑斑法测量光学系统杂光的杂光系数解析式。
Based on the diffraction imaging theory, we developed an analytical formula of Verling Glare Index of optical system by "balck spot" method.
此方法已成功地应用于自行研制的衍射光学元件三维表面形貌测量系统中。
The method has been successfully used in the system for measuring the 3-d surface topography of diffractive optical elements.
基于这个衍射特性，提供了一种测量光学涡旋轨道角动量的简易方法。
Based on this property, it provides us a simple way to detect the orbital angular momentum (OAM) of an optical vortex beam.
衍射光学元件(DOE)表面形貌的测量需要解决因表面结构深度较大和表面不连续给测量带来的困难。
The surfaces of diffraction optical element (DOE) are often deep and discontinuous, which lead to some difficulties for measurement of the 3-d surface topography of DOE.
利用X -射线衍射、DSC热分析和光学行为的测量，对三个分散染料C。
利用X -射线衍射、DSC热分析和光学行为的测量，对三个分散染料C。
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