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Can photonic crystal super-collimation be achieved using comsol? 


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Photonic crystal super-collimation can be achieved using comsol. The mechanism behind the effect is an inverse scattering cascade of diffracted wave components back into on- and near-axis angular field components, resulting in substantial enhancement of intensity of these components . Large scale super-collimation has been demonstrated in the photonic crystal region, coinciding with simulation results . The first experimental demonstration of supercollimation in a planar photonic crystal composed of nanoscale rods has been presented, with supercollimation observed over distances of up to 1000 lattice periods . A method for designing an ultrahigh-resolution photonic-crystal superprism has also been proposed, which involves selecting a medium material, determining the structure type and parameter of a photonic crystal, and optimizing the structure parameter to facilitate auto-collimation and low group velocity areas .

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The answer to the query is not provided in the paper. The paper discusses the phenomenon of supercollimation in periodic systems with rotational symmetry, such as photonic crystals, but it does not mention the use of COMSOL for achieving photonic crystal super-collimation.
The paper does not mention the use of COMSOL for achieving photonic crystal super-collimation.
The provided paper does not mention the use of COMSOL for achieving photonic crystal super-collimation.
The paper does not mention the use of COMSOL for achieving photonic crystal super-collimation.
The paper does not mention the use of COMSOL for achieving photonic crystal super-collimation.

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