The taming of absorption: generating a constant intensity beam in a lossy medium |
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Authors: | Golub Ilya Mirtchev Theodore Nuttall Jonathan Shaw Dagan |
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Institution: | School of Advanced Technology, Algonquin College, Ottawa, Ontario K2G 1V8, Canada. golubi@algonquincollege.com |
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Abstract: | We report the first observation (to our best knowledge) of a constant intensity, quasi-Bessel/nondiffracting beam in an absorbing medium generated by a novel optical element, "exicon," or exponential intensity axicon. Such absorption-compensated and diffraction-resistant beams can find applications in illumination, remote sensing, free-space communications, imaging in biological tissues, nonlinear optics, and other situations where absorption and diffraction hinder light propagation. |
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