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Proceedings Paper

Three-dimensional self-similar fractal light in canonical resonators
Author(s): Steven W. Miller; John Nelson; Johannes Courtial
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Paper Abstract

Unstable canonical resonators can possess eigenmodes with a fractal intensity structure [Karman et al., Nature 402, 138(1999)]. In one particular transverse plane, the intensity is not merely statistically fractal, but self-similar [Courtial and Padgett, PRL 85, 5320 (2000)]. This can be explained using a combination of diffraction and imaging with magnification greater than one. Here we show that the same mechanism also shapes the intensity cross-section in the longitudinal direction into a self-similar fractal, but with a different magnification. This results in three-dimensional, self-similar, fractal intensity structure in the eigenmodes.

Paper Details

Date Published: 2 October 2014
PDF: 6 pages
Proc. SPIE 9194, Laser Beam Shaping XV, 91940Z (2 October 2014); doi: 10.1117/12.2061410
Show Author Affiliations
Steven W. Miller, Univ. of Glasgow (United Kingdom)
John Nelson, Univ. of Strathclyde (United Kingdom)
Johannes Courtial, Univ. of Glasgow (United Kingdom)

Published in SPIE Proceedings Vol. 9194:
Laser Beam Shaping XV
Andrew Forbes; Todd E. Lizotte, Editor(s)

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