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

doi:10.1088/1674-1056/26/6/060702

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.

Keywords: ghost imaging true thermal light image visibility two-dimensional image

Received: 17 December 2016
Revised: 14 February 2017
Accepted manuscript online:

PACS:	07.05.Pj	(Image processing)
	42.25.Hz	(Interference)
	42.25.Kb	(Coherence)

Fund:

Project 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), and the National Hi-Tech Research and Development Program of China (Grant No. 2013AA122902).

Corresponding Authors: Xi-Hao Chen, Shao-Ying Meng
E-mail: xi-haochen@163.com;mengshaoying@163.com

Cite this article:

Xi-Hao Chen(陈希浩), Ling Yan(燕玲), Wei Wu(吴炜), Shao-Ying Meng(孟少英), Ling-An Wu(吴令安), Zhi-Bin Sun(孙志斌), Chao Wang(王超), Guang-Jie Zhai(翟光杰) Visibility enhancement in two-dimensional lensless ghost imaging with true thermal light 2017 Chin. Phys. B 26 060702

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