Yu F T
Appl Opt. 1969 Dec 1;8(12):2483-7. doi: 10.1364/AO.8.002483.
Optimal linearization in holography is studied from the nonlinear system theory point of view. A generalized optimal linearization method for a physical photographic emulsion is presented. A generalized first-order amplitude transmittance (i.e., the generalized transfer function) with respect to the input irradiance is determined. The application of this optimal linearization technique toward a simple point object hologram is demonstrated, and the extension of this linearized procedure for a more complicated object is also discussed. Finally, it is concluded that, instead of restricting the holographic recording in the linear region of the T-E curve of the photographic emulsion, it is possible to obtain the optimum first-order diffraction image. If the nonlinearity of the holographic recording is weak, it is possible to define a linearization such that it will not be possible to perceive the nonlinear distortion.
从非线性系统理论的角度研究了全息术中的最佳线性化。提出了一种适用于物理照相乳胶的广义最佳线性化方法。确定了相对于输入辐照度的广义一阶振幅透过率（即广义传递函数）。展示了这种最佳线性化技术在简单点物体全息图上的应用，并讨论了将此线性化过程扩展到更复杂物体的情况。最后得出结论，不必将全息记录限制在照相乳胶T-E曲线的线性区域内，就有可能获得最佳的一阶衍射图像。如果全息记录的非线性较弱，则可以定义一种线性化，使得无法察觉到非线性失真。
