We show that photonic crystal with negative refraction amplifying the evanescent waves, combined with an aperture creating seed evanescent components, can focus light beams below the diffraction limit of half of the wavelength.
© 2005 Optical Society of America
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.2560) Optical design and fabrication : Propagating methods
A. Husakou and J. Herrmann, "Superfocusing of Light Beams below the Diffraction Limit by Photonic Crystals with Negative Refraction," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JThC7.
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