中国激光, 2019, 46 (8): 0804001, 网络出版: 2019-08-20 复制并引用该论文  本文已被引 3 次  被引通知

图 & 表

图 1. 基于ePIE的透射波前测量方法。(a)实验装置示意图;(b)算法流程图

Fig. 1. ePIE-based transmitting wave-front measuring method. (a) Experimental setup; (b) flow chart of algorithm

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图 2. 数值模拟结果。 (a)扫描衍射物体的振幅和相位初始值;(b)照射至透镜上的光场相位;(c)待测透镜的真实透射波前分布;(d)无透镜时的探测器表面衍射强度分布;(e)重建的扫描物体的振幅和相位;(f)重建的透镜前表面照明光波前;(g)沿(b)和(f)中虚线的相位;(h)有透镜时探测器表面的衍射强度;(i)重建的透镜透射光场相位;(j)重建的透镜透射波前;(k)为 (c)和(j)中虚线位置的截面相位对比

Fig. 2. Numerical simulation results. (a) Original amplitude and phase values of scanning diffraction object; (b) phase of light field illuminated on lens; (c) real transmitting wave-front of lens to be measured; (d) diffraction patterns of detector without lens; (e) retrieved amplitude and phase of scanning object; (f) retrieved phase of light field illuminated on front surface of lens; (g) phase comparison along dotted lines in Figs. 2(b) and 2(f); (h) diffraction patterns of detector with lens; (i) r

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图 3. 实验结果。 (a)无透镜时的衍射斑;(b)扫描物体的重建振幅和相位;(c)透镜入射光的重建相位;(d)有透镜时的衍射斑;(e)离开透镜光束的相位;(f)透镜的透射波前;(g)测量和理想波前之间的误差; (h)/(l)两种柱透镜加入后的衍射斑;(i)/(m)重建的柱透镜的透射波前;(j)/(n)柱透镜透射波前测量值;(k)/(o)测量值和理论值的误差

Fig. 3. Experimental results. (a) Diffraction patterns without lens; (b) retrieved amplitude and phase of scanning object; (c) retrieved phase of light illuminating on lens; (d) diffraction patterns with lens; (e) phase of light leaving lens; (f) transmitting wave-front of lens; (g) error between measured value and ideal spherical wave-front; (h)/(l) diffraction patterns with two kinds of cylindrical lenses; (i)/(m) retrieved transmitting wave-fronts of cylindrical lenses; (j)/(n) measured transmitting

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图 4. 实验结果。(a) USAF 1951的恢复结果;(b) (a)划线位置对应的振幅分布

Fig. 4. Experimental results. (a) Restoration result of USAF 1951; (b) amplitude distributions corresponding to underlined positions in locally-magnified image of Fig. 4(a)

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纵榜铭, 栾嘉蕴, 蒋志龙, 孔艳, 王绶玙, 刘诚. 基于叠层扫描成像技术的成像透镜透射波前测量方法[J]. 中国激光, 2019, 46(8): 0804001. Bangming Zong, Jiayun Luan, Zhilong Jiang, Yan Kong, Shouyu Wang, Cheng Liu. Method to Measure Transmitting Wave-Front of Imaging Lens Based on Extended Ptychographical Iterative Engine[J]. Chinese Journal of Lasers, 2019, 46(8): 0804001.