[in Chinese]. Nonlinear holographic phase difference amplification with high magnification[J]. Chinese Journal of Lasers, 1992, 19(8): 598
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Nonlinear holographic interferometer is combined with multi-path holographic interfero meter ,and a phass object is insarted in a combination of Mach-Zehnder interferometer and Twyman-Green interferometer, and the phase difference is amplified. Higher magnification may be obtained with this method than that in nonlinear holographic interferometer. Finally, the experimental results are given.