Two types of two dimensional lateral shearing interferometers have been studied: orthogonal shearing prism and crossed grating.
本文研究了两种类型的二维横向剪切干涉仪：正交剪切棱镜型和网格光栅型。
The spectral characteristics of Zn and other components of the alloys were investigated using grating spectroscope and prism spectroscope and color spectra were taken.
使用光栅看谱镜和棱镜看谱镜对锌合金可见光谱进行分析研究，并摄制了彩色图谱。
Compared with prism, grating has the advantages of simple structure, compact volume and light weight.
与棱镜分光相比，光栅具有结果简单、体积小、重量轻等优点。
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