光学学报, 2020, 40 (1): 0111005, 网络出版: 2020-01-06
散射成像技术的研究进展 
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Research Progress on Scattering Imaging Technology
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图 2. 波前整形示意图[14]。(a)波前整形前;(b)波前整形后
Fig. 2. Schematics of wavefront optimization [14]. (a) Before wavefront optimization;(b) after wavefront optimization
图 3. 波前整形聚焦结果[14]。(a)聚焦前散斑;(b)单点聚焦;(c)多点聚焦;(d)优化的波前相位
Fig. 3. Focusing results after wavefront optimization[14]. (a) Speckle before focusing; (b) focusing on single point; (c) focusing on multiple points; (d) optimized wavefront phase
图 4. 超衍射极限聚焦示意图[15]。(a)传统透镜聚焦光学系统;(b)随机散射介质聚焦光学系统
Fig. 4. Schematics of focusing beyond diffraction-limit [15]. (a) Focusing optical system with conventional lens; (b) focusing optical system with random scattering media
图 5. 超衍射极限聚焦实验结果[15]。(a)传统透镜光学系统聚焦光斑;(b)随机散射介质光学系统调制前的散斑; (c)超衍射极限聚焦光斑;(d)优化的波前相位
Fig. 5. Experimental results of focusing beyond diffraction-limit[15]. (a) Focal spot of focusing optical system with conventional lens; (b) speckle of focusing optical system with random scattering media before optical modulation; (c) focal spot beyond diffraction-limit; (d) optimized wavefront phase
图 6. 利用随机散射透镜实现的超衍射极限成像[39]。(a)传统显微镜成像;(b)超衍射极限成像;(c)图6 (a)左边第一颗粒子的中心切线与图6 (b)左边第一颗粒子的中心切线的对比
Fig. 6. Imaging beyond diffraction-limit using random scattering lens[39]. (a) Imaging using conventional microscope; (b) imaging beyond diffraction-limit; (c) comparison of center tangents of first spots on left of Figs. 6 (a) and (b)
图 7. 四步相移测量传输矩阵的实验原理图[18]
Fig. 7. Experimental schematic of measuring optical transmission matrix based on four-step phase shift[18]
图 8. 采用相位共轭法得到的聚焦结果[18]。(a)聚焦前散斑;(b)单点聚焦结果;(c)多点聚焦结果
Fig. 8. Experimental results of focusing via phase conjugation[18]. (a) Speckle before focusing; (b) result of focusing on single point; (c) result of focusing on multiple points
图 10. 基于光学记忆效应的非侵入式成像方法示意图[22]
Fig. 10. Schematic of non-invasive imaging based on optical memory effect [22]
图 11. 基于光学记忆效应的散射成像方法的实验结果[22]。(a)散斑;(b)散斑自相关;(c)原目标;(d)重建目标
Fig. 11. Experimental results of scattering imaging based on optical memory effect[22]. (a) Speckle; (b) autocorrelation of speckle; (c) original object; (d) reconstructed object
图 12. 基于单帧散斑自相关成像的示意图[23]。(a)成像模型示意图;(b)散斑;(c)散斑自相关;(d)重建目标
Fig. 12. Schematic of single-frame imaging based on speckle autocorrelation [23]. (a) Schematic of imaging model; (b) speckle; (c) speckle autocorrelation; (d) reconstructed objects
图 13. 基于单帧散斑自相关成像的实验结果[23]。(a)成像装置;(b)散斑;(c)~(g)第一列为散斑自相关,第二列为重建目标,第三列为原目标
Fig. 13. Experimental results of single-frame imaging based on speckle autocorrelation[23]. (a) Imaging setup; (b) speckle; (c)-(g) first column shows speckle autocorrelation, second column shows reconstructed objects, and third column shows original objects
图 14. 采用双谱分析得到的重建结果[62]。(a)散斑;(b)傅里叶振幅;(c)傅里叶相位;(d)重建目标;(e)原目标
Fig. 14. Reconstructed results obtained by bi-spectral analysis[62]. (a) Speckles; (b) Fourier amplitudes; (c) Fourier phases; (d) reconstructed objects; (e) original objects
图 15. 基于浴帘效应的散射成像结果[64]。(a)原目标;(b)薄散射体远离目标;(c)薄散射体紧贴目标;(d)基于浴帘效应的散射成像系统原理图;(e)目标重建过程
Fig. 15. Experimental results of scattering imaging based on shower-curtain effect[64]. (a) Original object; (b) object is far away from thin scatter; (c) object is close to thin scatter; (d) principle of scattering imaging system based on shower-curtain effect; (e) process of object reconstruction
图 16. 基于去卷积的散射成像结果[75]。(a)实验系统示意图;(b)原目标;(c)散斑;(d)系统点扩展函数;(e)重建结果
Fig. 16. Experimental results of scattering imaging based on deconvolution[75]. (a) Schematic of experimental setup; (b) original object; (c) speckle; (d) point spread function of imaging system; (e) reconstructed result
图 18. 基于相位多样性的散射成像实验结果[78]。(a)原目标;(b)多样性散斑;(c)第一列为估计的随机相位,第二列为估计的局部点扩展函数,第三列为重建目标
Fig. 18. Experimental results of scattering imaging based on phase diversity[78]. (a) Original object; (b) speckle with diversity; (c) first column shows estimated random phases, second column shows estimated local point spread functions, and third column shows reconstructed objects
朱磊, 邵晓鹏. 散射成像技术的研究进展[J]. 光学学报, 2020, 40(1): 0111005. Lei Zhu, Xiaopeng Shao. Research Progress on Scattering Imaging Technology[J]. Acta Optica Sinica, 2020, 40(1): 0111005.
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