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Browsing by Subject "Physical optics"

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Angular self-reconstruction of petal-like beams

Author: Litvin, IA ; Burger, L ; Forbes, A Date: Sep 2013 The self-reconstruction of superpositions of Laguerre–Gaussian (LG) beams has been observed experimentally, but the results appear anomalous and without a means to predict under what conditions this take place. In this Letter, we offer a ... Read more
Evaluation of the information content of wideband and ultra-wideband radar returns from an F14, F15 and F16 using asymptotic electromagnetic techniques

Author: Cilliers, Jacques E ; Smit, JC ; McDonald, Andre M ; Baker, CJ ; Woodbridge, K Date: Oct 2012 This paper addresses the prediction of the maximum recognition performance of a radar for a predetermined set of targets and radar waveforms. Use is made of the information theoretic concept of mutual information (MI) to perform this analysis. ... Read more
Kaleidoscope modes in large aperture Porro prism resonators

Author: Burger, L ; Forbes, A Date: Aug 2008 The authors apply a new method of modeling Porro prism resonators, using the concept of rotating loss screens, to study stable and unstable Porro prism resonator. They show that the previously observed petal–like modal output is in fact only ... Read more
Petal–like modes in Porro prism resonators

Author: Litvin, IA ; Burger, L ; Forbes, A Date: Oct 2007 A new approach to modeling the spatial intensity profile from Porro prism resonators is proposed based on rotating loss screens to mimic the apex losses of the prisms. A numerical model based on this approach is presented which correctly ... Read more

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Browsing by Subject "Physical optics"

Browsing by Subject "Physical optics"

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