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本文叙述了制作随机相移器的三种不同方法,着重论述了用随机分布激光散斑照相漂白法制作的随机相移器在全息存贮中的应用;给出和比较了它们的付立叶频谱分布及在全息存贮中用于改善像质的实验结果。
This paper describes three different methods of making a random phase shifter, emphasizing the application of the random phase shifter fabricated by stochastic distribution laser speckle photographic bleaching in holographic storage; giving and comparing their Fourier Spectral distribution and experimental results for improving image quality in holographic storage.