利用空间滤波合成狭缝彩虹全息技术对二维透射物进行假彩色编码，当参考光以不同的方向传播时，记录二维透射物的不同空间频谱所对应的物像，全息图在白光再现时将透镜平移就呈现不同颜色全息效果图。%The pseudo color encoding of the two-dimensional transmission object is used by holographic tech-nique of spatial filtering synthetic slit rainbow, when the reference light travels at a different direction, the image corresponding to different spatial spectrum of 2D transparent object are recorded,hologram in the white light reconstruction will present different color holographic effect chart when the lens shift.
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