Probing the negative permittivity perfect lens at optical frequencies using near-field optics and single molecule detection

Moerland, Robert J. and Hulst van, Niek F. and Gersen, Henkjan and Kuipers, Laurens (2005) Probing the negative permittivity perfect lens at optical frequencies using near-field optics and single molecule detection. Optics Express, 13 (5). pp. 1604-1614. ISSN 1094-4087

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Abstract:	Recently, the existence of a perfect lens has been predicted, made of an artificial material that has a negative electric permittivity and a negative magnetic permeability. For optical frequencies a poormans version is predicted to exist in the sub-wavelength limit. Then, only the permittivity has to be negative, a demand that metals fulfill at optical frequencies. We propose a new measurement scheme to verify the performance of such a negative permittivity near-perfect lens at optical frequencies. The scheme is based on near-field scanning optical microscopy and single molecule detection. Prerequisite near-field single molecule data, necessary to assess the performance of the lens, is presented. A numerical evaluation, which includes absorption, of the expected performance of a slab of a realistic negative permittivity material confirms the merits of the scheme.
Item Type:	Article
Copyright:	© 2005 Optical Society of America
Research Group:	Optical Sciences (OS)
Link to this item:	http://purl.utwente.nl/publications/50955
Official URL:	http://dx.doi.org/10.1364/OPEX.13.001604
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