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。
Two types of two dimensional lateral shearing interferometers have been studied: orthogonal shearing prism and crossed grating.
通过实验结果作出正交双棱镜干涉的光强度分布曲线。
The distribution curves of light intensity of orthogonal biprism interference is made from experimental results.
正交波罗棱镜腔存在腔内振荡光束线偏振运行条件，匀化了内腔OPO的抽运光光场。
A linear polarized-oscillating condition exists in the resonator, and the field of the pump laser for the OPO can be homogenized.
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