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  • Received: Feb. 3, 2020

    Accepted: May. 27, 2020

    Posted: Jul. 21, 2020

    Published Online: Jul. 23, 2020

    The Author Email: Huaibin Zheng (huaibinzheng@xjtu.edu.cn)

    DOI: 10.3788/COL202018.091101

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    Gao Wang, Huaibin Zheng, Zhiguo Tang, Yuchen He, Yu Zhou, Hui Chen, Jianbin Liu, Yuan Yuan, Fuli Li, Zhuo Xu. Naked-eye ghost imaging via photoelectric feedback[J]. Chinese Optics Letters, 2020, 18(9): 091101

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Chinese Optics Letters, Vol. 18, Issue 9, 091101 (2020)

Naked-eye ghost imaging via photoelectric feedback

Gao Wang1, Huaibin Zheng1,2,*, Zhiguo Tang1, Yuchen He1,2, Yu Zhou3, Hui Chen1, Jianbin Liu1,2, Yuan Yuan1, Fuli Li3, and Zhuo Xu1,2

Author Affiliations

  • 1Key Laboratory of Multifunctional Materials and Structures, Ministry of Education, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
  • 2Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
  • 3Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Ministry of Education, Department of Applied Physics, Xi’an Jiaotong University, Xi’an 710049, China

Abstract

A new architecture, naked-eye ghost imaging via photoelectric feedback, is developed that avoids computer algorithm processing. Instead, the proposed scheme uses a photoelectric feedback loop to first realize the correlation (multiplication) process of the traditional ghost imaging system. Then, the vision persistence effect of the naked eye is exploited to implement the integral process and to generate negative images. Two kinds of feedback circuits, the digital circuit and the analog circuit, are presented that can achieve a feedback operation. Based on this design, high-contrast real-time imaging of moving objects is obtained via a special pattern-scanning architecture on a low-speed light-modulation mask.

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