28 July 2018 Ghost imaging with N-order speckle light
Author Affiliations +
Abstract
Ghost imaging is an indirect system that allows the imaging of an object without directly seeing the object. The speckle pattern that contains the information about light and objects has increasingly become a popular topic in pseudothermal light ghost imaging. However, existing research still has encountered problems of poor imaging quality and slow sampling speeds. We propose a ghost imaging method based on N-order speckle patterns to recover the object (NSGI). The N-order speckle patterns combine N independent laser speckles individually produced by passing an expanded and collimated He–Ne laser through a digital micromirror device (DMD). The sampling frequency can be improved by controlling the trigger signals of different DMDs. The results of the simulation and experiment have verified that our method can increase sampling speed and reconstruction accuracy. In addition, NSGI can be applied to more applications by designing multiple independent speckles with different properties.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2018/$25.00 © 2018 SPIE
Yi Chen, Zhengdong Cheng, Yubao Cheng, Bin Zhu, and Xiang Zhai "Ghost imaging with N-order speckle light," Optical Engineering 57(7), 073111 (28 July 2018). https://doi.org/10.1117/1.OE.57.7.073111
Received: 19 May 2018; Accepted: 13 July 2018; Published: 28 July 2018
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CITATIONS
Cited by 2 scholarly publications.
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KEYWORDS
Speckle pattern

Speckle

Digital micromirror devices

Speckle imaging

Imaging systems

Modulation

Sensors

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