During the second recording, a phase plate is used to produce a half wave delay of the reference image.
在第二次的记录过程中，利用位相板使参考图像产生半波位相延迟。
Wavefront deformation is introduced by a phase plate. The initial wavefront measurement experiment is carried out.
用相差板引进波前畸变，进行了波前测量实验。
Changes in fundamental and higher order Gaussian beams propagating through a phase plate have been studied numerically in detail.
对基模和高阶高斯光束通过位相板后的变化作了详细的计算分析。
According to the requirement of beam smoothing in laser systems, the continuous phase plate with Gaussian distribution is designed.
针对激光系统对光束匀滑的需求，设计了高斯型连续相位板，并对其远场特性进行了研究。
This provides the database for designing appropriate phase plate, and also gives a phase measurement method for beam diagnose system.
为设计合理的相位板提供了依据。同时也为光束诊断系统提供了一种测量相位的方法。
The nonspiral phase plate introduces phase singularity to the incident beam, and the spiral one adjusts the radial phase distribution.
非螺旋相位片将一个光漩涡引入高斯光束，螺旋相位片调节光束径向波前相位分布。
The transformation of Hermite Gaussian laser beam through random phase plate is discussed in detail by partial coherence theory in this paper.
本文利用部分相干理论研究了高阶厄米-高斯光束通过随机位相片的变换。
The depth of field of standard optical incoherent imaging system can be extended by introducing a phase plate and the digital image restoration technique.
在普通光学成像系统中引入相位模板和数字图像复原技术，可以增大系统的景深。
The diffraction phenomena by a circular aperture or a phase plate is analyzed by the boundary diffraction wave theory, the analytic expression of its axial intensity is obtained.
本文根据边界波衍射理论分析了圆孔及相位片的衍射现象，得出其轴上光强的解析表达式，并对高斯光束经相位片衍射后的轴上光强进行了数值计算和讨论。
The diffraction phenomena by a circular aperture or a phase plate is analyzed by the boundary diffraction wave theory, the analytic expression of its axial intensity is obtained.
本文根据边界波衍射理论分析了圆孔及相位片的衍射现象，得出其轴上光强的解析表达式，并对高斯光束经相位片衍射后的轴上光强进行了数值计算和讨论。
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