Abstract
We demonstrate experimentally negative refraction by a photonic crystal prism and imaging of a point source by a photonic crystal slab at wavelength. The photonic crystal structures were nanofabricated in a heterostructure platform, and optical characterization was performed using a near-field scanning optical microscope. By designing a suitable lens surface termination, an image spot size of was achieved, demonstrating superlens imaging with subwavelength resolution well below Abbe’s diffraction limit .
© 2009 Optical Society of America
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