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Visibility enhancement in two-dimensional lensless ghost imaging with true thermal light

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【Author】 Xi-Hao Chen;Ling Yan;Wei Wu;Shao-Ying Meng;Ling-An Wu;Zhi-Bin Sun;Chao Wang;Guang-Jie Zhai;Key Laboratory of Optoelectronic Devices and Detection Technology,College of Physics,Liaoning University;Laboratory of Optical Physics,Institute of Physics and Beijing National Laboratory for Condensed Matter Physics,Chinese Academy of Sciences;Laboratory of Space Science Experiment Technology,Center for Space Science and Applied Research,Chinese Academy of Sciences;

【机构】 Key Laboratory of Optoelectronic Devices and Detection Technology,College of Physics,Liaoning University； Laboratory of Optical Physics,Institute of Physics and Beijing National Laboratory for Condensed Matter Physics,Chinese Academy of Sciences； Laboratory of Space Science Experiment Technology,Center for Space Science and Applied Research,Chinese Academy of Sciences；

【摘要】 We report an experimental demonstration of two-dimensional(2D) lensless ghost imaging with true thermal light. An electrodeless discharge lamp with a higher light intensity than the hollow cathode lamp used before is employed as a light source. The main problem encountered by the 2D lensless ghost imaging with true thermal light is that its coherence time is much shorter than the resolution time of the detection system. To overcome this difficulty we derive a method based on the relationship between the true and measured values of the second-order optical intensity correlation, by which means the visibility of the ghost image can be dramatically enhanced. This method would also be suitable for ghost imaging with natural sunlight.更多还原

【Abstract】 We report an experimental demonstration of two-dimensional(2D) lensless ghost imaging with true thermal light. An electrodeless discharge lamp with a higher light intensity than the hollow cathode lamp used before is employed as a light source. The main problem encountered by the 2D lensless ghost imaging with true thermal light is that its coherence time is much shorter than the resolution time of the detection system. To overcome this difficulty we derive a method based on the relationship between the true and measured values of the second-order optical intensity correlation, by which means the visibility of the ghost image can be dramatically enhanced. This method would also be suitable for ghost imaging with natural sunlight.更多还原

【关键词】 ghost imaging； true thermal light； image visibility； two-dimensional image；
【Key words】 ghost imaging； true thermal light； image visibility； two-dimensional image；

【基金】 supported by the National Natural Science Foundation of China(Grant Nos.11204117,11304007,and 60907031);the China Postdoctoral Science Foundation(Grant No.2013M540146);the Fund from the Education Department of Liaoning Province,China(Grant No.L2012001);the National HiTech Research and Development Program of China(Grant No.2013AA122902)

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2017年06期

【分类号】O439
【被引频次】1
【下载频次】63

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