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Light with no spatial scale: diffraction cancellation, anti-diffraction, scale-free instability and subwavelength beam propagation in dipolar glasses

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Abstract

We discuss the experiments and theory of scale-free optical propagation and diffraction cancellation in nanodisordered ferroelectrics, where light beams manifest a variety of effects that are incompatible with known linear and nonlinear phenomenology, such as subwavelength beam propagation.

© 2012 Optical Society of America

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