相移数字全息术中的全息与散斑
摘要
The correlation properties of the optical field diffusely reflected from a rough surface under coherent illumination are analyzed numerically. The cross-correlations of the complex amplitudes and the intensities before and after translation and/or tilt of the surface are calculated at an arbitrary observation plane in three-dimensional (3D) space. The results provide us with the 3D distributions of phase changes and speckle displacement that lead to the distributions and signal-to-noise ratio of the displacement to be measured by holographic interferometry and speckle correlation technique. Comparisons with analytical relationships and physical interpretation of them are also discussed.
引用本文（GB/T 7714）
Invited Paper. 相移数字全息术中的全息与散斑[J]. Chinese Optics Letters, 2009.
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