最后用再现光把信息解调出来。

The information is decoded by reconstructing light.

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银盐全息干版的乳胶收缩将导致其记录的反射全息图再现光的波长漂移。

Drift of reconstructing wavelength of volume holograms may occur because of the emulsion shrink of silver salt holographic plate.

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通过实验对比发现，利用再现光场相位突变确定再现像聚焦位置的方法效果比较理想。

Through experiment comparison, the method for determining the position of the reconstructed image by using the phase change of the reconstructed optical field is ideal.

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