Experimental research on ghost imaging stitching based on thermal light third-order correlation
Correlation imaging achieves non-local imaging by analyzing the second-order correla-tion characteristics of the light field,which brings a new chapter to the development of optical imaging technology.With the development of correlated imaging,high-order correlated imaging has received widespread attention in improving image contrast.Based on the theory of thermal light third-order co-herence,this paper proposed a ghost imaging stitching scheme.The two spatially separated objects were placed in two signal light paths,and three detectors were used to detect three reference light paths.The non-local image stitching was achieved by detecting the third-order correlation of the light field.Both numerical simulation and experimental results indicated the feasibility of this scheme,which had potential application prospects in fields such as information transmission and secure encryp-tion.
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