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Spatial Filtering of Light Beams by Axisymmetric Photonic Mictrostructures

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Abstract

We propose and show experimentally uniform axisymmetric spatial filtering of light beams by three-dimensional axisymmetric photonic microstructures. Such gapless structures (similar to photonic crystals) were recorded in bulk of glass. Angular filtering of 25 mrad is demonstrated experimentally.

© 2014 Optical Society of America

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