Abstract
Correlation imaging is attracting more and more attention as a novel
imaging technique taking advantage of the high-order coherence of light
fields. To reconstruct an image of the object, many frames of different
speckle patterns are required. Therefore, the speed of imaging is strongly
limited by the speed of the refreshing rate of the light field. We propose
a coprime-frequencied sinusoidal modulation method for speckle pattern
creation using a spatial light modulator in a computational ghost imaging
system to increase the speed of imaging. The performance of the proposed
method is discussed as well.
© 2016 Chinese Laser Press
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