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分析了液晶电视(LCTV)的位相调制特性,采用将液晶电视和能产生台阶波前畸变的位相物体同时置于环路径向剪切干涉(CRSI)装置入射光路中的方法,在液晶电视屏上输入可产生畸变波前对应的互补波前的灰度图。实现了台阶结构畸变波前的补偿。
The phase modulation characteristics of LCTV are analyzed. The LCD TV and the phase object which can generate step wavefront distortion are placed in the incident light path of the ring radial shear interference (CRSI) device simultaneously. On the LCD screen, Enter the grayscale that produces the corresponding wavefront for the distorted wavefront. Realize the compensation of the wavefront distortion of the step structure.