W H Wee and J B Pendry 2009 New J. Phys. 11 073033 doi:10.1088/1367-2630/11/7/073033
Shrinking optical devices
W H Wee1 and J B Pendry
Show affiliationsMuch of optics depends on objects being much larger than the wavelength of light: shadows of opaque objects are sharp only if free of diffraction effects, and 'cat's eye' retroreflectors function only if they are large. Here, we show how to make theoretically arbitrarily small versions of these devices by exploiting the power of a negatively refracting lens to magnify objects that are smaller than the wavelength, thus creating the effect of a large object while keeping all physical dimensions small. We also give a new perspective on the 'perfect lens theorem' on which the paper is based.
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Issue 7 (July 2009)
Received 27 April 2009
Published 17 July 2009
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Shrinking optical devices
W H Wee and J B Pendry 2009 New J. Phys. 11 073033
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