期刊
PHYSICS LETTERS A
卷 372, 期 43, 页码 6518-6520出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2008.09.003
关键词
Negative refraction; EM waves; Wave propagation; Resolution ability
A discussion of a question, studied earlier by Veselago in 1967 and by Pendry in 2000, is given. The question is: can a slab of the material with negative refraction make a perfect lens? Pendry's conclusion was: yes, it can. Our conclusion is: no, in practice it cannot, because of the fluctuations of the refraction coefficient of the slab. Resolution ability of linear isoplanatic optical instruments is discussed. (C) 2008 Elsevier B.V. All rights reserved.
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