Passive Near-Field Imaging With Pseudo-Thermal Sources

Abstract

We demonstrate experimentally that spurious effects caused by interference can be eliminated in passive near-field imaging by implementing a simple random illumination. We show that typical imaging artifacts are effectively eliminated when the radiation emitted by a pseudo-thermal source illuminates the sample and the scattered field is collected by an aperture probe over essentially all angles of incidence. This novel pseudo-thermal source can be easily implemented and significantly enhances the performance of passive near-field imaging.

Publication Date

3-15-2017

Publication Title

Optics Letters

Volume

42

Issue

6

Number of Pages

1137-1140

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.42.001137

Socpus ID

85015309488 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85015309488

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