| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Ptychographical Imaging Algorithm with a Single Random Phase Encoding |
| SHI Yi-Shi 1,2**, WANG Ya-Li1, LI Tuo1, GAO Qian-Kun1, WAN Hao1, ZHANG San-Guo3, WU Zhi-Bo4 |
1College of Material Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049
2State Key Laboratory of Information Security, Institute of Information Engineering, Chinese Academy of Sciences, Beijing 100093
3School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing 100049
4Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030
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| Cite this article: |
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SHI Yi-Shi, WANG Ya-Li, LI Tuo et al 2013 Chin. Phys. Lett. 30 074203 |
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Abstract A single random phase encoding is introduced into ptychography for the first time. Since the diffractive wave front is encoded with the random phase modulator, the information of the sample cooperated with each probe can be uniformly distributed onto an entire diffraction pattern. It leads to the much faster convergent speed of the iterative algorithm for ptychographical imaging. It is more important for practice that the robustness to resist the noises and especially the transverse shift errors of probes are considerably improved compared with the conventional ptychographic algorithm.
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Received: 15 April 2013
Published: 21 November 2013
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