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- 2017
基于已知振幅信息约束的叠层光电成像
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Abstract:
摘要 为提高样品的重建精度及鲁棒性，提出一种可见光域上基于已知振幅信息约束的叠层成像方法。本方法仅需将待测样品周围的已知振幅图像作为先验参考信息，与样品共同叠层扫描，并代入迭代算法，即可获得优质的重建效果。通过模拟结果及搭建光学系统，对不同样品进行实验探究，证实了本方法的有效性。使用本方法，无需增加实验成本即可获取更优质的重建结果，并保持叠层成像技术的优势。本方法具有较强的抗噪声和抗孔径偏移能力，是一种简约、稳健、通用性强的衍射成像技术，具有较为重要的实用价值。
| [1] | 周光照,佟亚军,陈灿,等. 相干X射线衍射成像的数字模拟研究[J]. 物理学报, 2011, 60(2):772-778. |
| [2] | Maiden A M, Rodenburg J M. An improved ptychographical phase retrieval algorithm for diffractive imaging[J]. Ultramicroscopy, 2009, 109(10):1256-1262. |
| [3] | Thibault P, Dierolf M, Bunk O, et al. Probe retrieval in ptychographic coherent diffractive imaging[J]. Ultramicroscopy, 2009, 109(4):338-343. |
| [4] | Shi Y S, Li T, Wang Y L, et al. Optical image encryption via ptychography[J]. Optics Letters, 2013, 38(9):1425-1427. |
| [5] | Godden T M, Suman R, Humphry M J, et al. Ptychographic microscope for three-dimensional imaging[J]. Optics Express, 2014, 22(10):12513. |
| [6] | 王治昊,李拓,王雅丽,等. 基于旋转相位编码与照明光束匹配的叠层衍射成像算法研究[J]. 物理学报, 2014, 63(16):191-197. |
| [7] | 王雅丽,史祎诗,李拓,等. 可见光域叠层成像中照明光束的关键参量研究[J]. 物理学报, 2013, 62(6):201-210. |
| [8] | Li T, Shi Y S. Security risk of diffractive-imaging-based optical cryptosystem[J]. Opt Express, 2015, 23(16):21384-21391. |
| [9] | Li T, Shi Y S. Attack on optical double random phase encryption based on the principle of ptychographical imaging[J].Chinese Physics Letters, 2016, 33(1):63-66. |
| [10] | Miao J, Charalambous P, Kirz J, et al. Extending the methodology of X-ray crystallography to allow imaging of micrometre-sized non-crystalline specimens[J]. Nature, 1999, 400(6742):342-344. |
| [11] | Rodenburg J M. Ptychography and related diffractive imaging methods[J]. Physics, 2008, 150:87-184. |
| [12] | Hoppe W, Strube G. Diffraction in inhomogeneous primary wave fields. 2. Optical experiments for phase determination of lattice interferences[J]. Acta Crystallogr A, 1969, 25:502-507. |
| [13] | Faulkner H M L, Rodenburg J M. A phase retrieval algorithm for shifting illumination[J]. Applied Physics Letters, 2004, 85(20):4795-4797. |
| [14] | 刘祥磊,潘泽,王雅丽,等. 基于叠层衍射的数字水印算法研究[J]. 物理学报, 2015,64(23):85-94. |
| [15] | Alexander J, Walter H, Stefan B, et al. Quantitative single-shot imaging of complex objects using phase retrieval with a designed periphery[J]. Optics Express, 2012, 20(5):5470-5480. |
