This work describes a novel approach that adopts numerical operation to suppress the zero-order images of reconstruction in digital holography. The entire process needs only one digital hologram and keeps under control the intensity ratio of the object wave to reference wave in recording procedure. Also the performance of numerical suppression is simple and effective by subtracting the numerical generated intensity of the object and reference waves from the digital hologram. The experimental results demonstrate that the zero-order images of reconstruction can be suppressed completely and represents the satisfactory reconstructed image even if the distribution of the object wave is not uniform. Therefore this approach can simplify the procedure of phase-shifting digital holographic-based scheme involving multiple exposures. Moreover, the investigation of performance using the novel suppression approach is presented for proving the practical feasibility.

By means of two typical sets of nuclear parton distribution functions, meanwhile taking account of the energy loss of the beam proton and the nuclear absorption of the charmonium states traversing the nuclear matter in the uniform framework of the Glauber model, a leading order phenomenological analysis is given in the color evaporation model of the E866 experimental data on J/ψ production differential cross section ratios R Fe/Be (xF). It is shown that the energy loss effect of beam proton on R Fe/Be (xF) is more important than the nuclear effects on parton distribution functions in the high Feynman variable xF region. It is found that the J/ψ-nucleon inelastic cross section depends on the Feynman variable xF and increases linearly with xF in the region xF > 0.2.No. 9 DUAN Chun-Gui et al: The dependence of J/ψ-nucleon inelastic cross section on the Feynman variable 805

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In this work, a novel approach for numerical wave-front reconstruction in arbitrary phase step digital holography is presented. We present a simple and effective approach for digital holography microscopy that can be used for the 3D reconstruction of micro-structure images. The experimental results demonstrate that only two digital holograms and a simple estimation are required for the twin-image suppression and numerical reconstruction. The advantages of this approach are its simplicity, in that only one estimate equation need be applied, and its effectiveness, in that the exact phase profile of a micro lens array is presented, without blurring due to numerical reconstruction or aberration caused by the quadratic phase micro objective lens.

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