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- W3113105339 abstract "实验提取了弱散射体产生的菲涅耳极深区的散斑场.发现当散射距离一定时,弱散射体光场的相位分布特征随散射体的粗糙度的变化而变化;对于某一弱散射体,相位分布特征随散射距离的变化而变化;当弱散射体的粗糙度大到一定程度时,才产生相位涡旋现象;散射体表面上存在相位涡旋;弱散射体产生的相位涡旋的密度随散射屏粗糙度的增大而增大,还随散射距离的增大而增大.研究结果对于认识弱散射体的相位及相位涡旋分布特征随粗糙度和散射距离的演化具有重要意义,而且对于认识散斑场随散射距离的演化有一定的帮助." @default.
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- W3113105339 date "2012-01-01" @default.
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- W3113105339 title "Experimental study of the evolution of phase vortices in the speckle fields generated by weak scattering screens in the extremely deep Fresnel diffraction region" @default.
- W3113105339 doi "https://doi.org/10.7498/aps.61.074201" @default.
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