Abstract：
:During our research, we explored a novel way to represent subwavelength imaging and derived a transmission equation to explicate the FP (Fabry-Pérot) resonance phenomena. Subsequently, using analysis and observation, we performed deep-subwavelength imaging. Both numerically and experimentally, imaging with super-resolution was achieved at deep subwavelength scale of λ/56.53 with a lens thickness 212 mm. Our results also showed that by increasing lens thickness, higher resolution can be achieved. Moreover, via a single source study, we showed the full width at half maximum range and predicted the size of smallest detectable object. We also observed that with a greater lens thickness, finer features could be detected. These findings may open a new route in near-field imaging for practical applications such as biometric sensors, ultrasonic medical equipment, and non-destructive testing.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Anzan-Uz-Zaman M,Song K,Lee DG,Hur Sdoi
10.1038/s41598-020-67409-4subject
Has Abstractpub_date
2020-07-01 00:00:00pages
10769issue
1issn
2045-2322pii
10.1038/s41598-020-67409-4journal_volume
10pub_type
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