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Can maxwell's fish eye lens really give perfect imaging?
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
2010 (English)In: PROG ELECTROMAGN RES, ISSN 1559-8985, Vol. 108, 307-322 p.Article in journal (Refereed) Published
Abstract [en]

Both explicit analysis and FEM numerical simulation are used to analyze the field distribution of a line current in the so-called Maxwell's fish eye lens [bounded with a perfectly electrical conductor (PEC) boundary]. We show that such a 2D Maxwell's fish eye lens cannot give perfect imaging due to the fact that high order modes of the object field can hardly reach the image point in Maxwell's fish eye lens. If only zeroth order mode is excited, a good image of a sharp object may be achieved in some cases, however, its spot-size is larger than the spot size of the initial object field. The image resolution is determined by the field spot size of the image corresponding to the zeroth order component of the object field. Our explicit analysis consists very well with the FEM results for a fish eye lens. Time-domain simulation is also given to verify our conclusion. Multi-point images for a single object point are also demonstrated.

Place, publisher, year, edition, pages
2010. Vol. 108, 307-322 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-27050ISI: 000283603600018Scopus ID: 2-s2.0-78650979426OAI: oai:DiVA.org:kth-27050DiVA: diva2:377077
Note

QC 20101213

Available from: 2010-12-13 Created: 2010-12-06 Last updated: 2017-04-28Bibliographically approved

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