中国物理B ›› 2009, Vol. 18 ›› Issue (1): 189-194.doi: 10.1088/1674-1056/18/1/030
• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇 下一篇
陈利平, 吕晓旭
Chen Li-Ping(陈利平)† and Lü Xiao-Xu(吕晓旭)‡
摘要: By adopting in-line lensless Fourier setup and phase-shifting technique, we recorded the phase-shifting digital hologram at short distance. As the Fresnel diffraction condition is no longer valid, the convolution approach is chosen for the reconstruction. However, the simulated reference wave for the reconstruction would suffer from severe under-sampling due to the comparatively large pixel size. To solve this problem, sinc-interpolation is introduced to get the pixel-size of the hologram reduced prior to the reconstruction. The experimental results show that an object image of high fidelity is obtained with this method.
中图分类号: (Hologram recording and readout methods)