A multifunctional holographic lens is presented based on autofocus error detection and the principle of reversibility of light. Its feasibility of the mirror-like surface is described.
基于自聚焦误差检测和光路可逆原理，分析并实验证明了利用一种多功能全息透镜来测量类镜表面平整度的可行性。
A multifunctional holographic lens is presented based on autofocus error detection and the principle of reversibility of light. Its feasibility of the mirror-like surface is described.
基于自聚焦误差检测和光路可逆原理，分析并实验证明了利用一种多功能全息透镜来测量类镜表面平整度的可行性。
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