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Browsing by Subject "Mathematical optics"

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Beam-quality measurements using a spatial light modulator

Author: Schulze, C ; Flamm, D ; Duparré, M ; Forbes, A Date: Nov 2012 We present a fast and easy technique for measuring the beam propagation ratio, M2, of laser beams using a spatial light modulator. Our technique is based on digitally simulating the free-space propagation of light, thus eliminating the need ... Read more
Generation and application of high power flattened Gaussian beams

Author: Forbes, A ; Du Preez, N ; Litvin, IA ; Botha, LR Date: Jul 2009 Generation and application of high power flattened Gaussian beams. Presented at the 54th Annual Conference of the South African Institute of Physics (SAIP) 2009. Read more
Stability of a laser cavity with non-parabolic phase transformation elements

Author: Litvin, IA Date: May 2013 In this paper we present a general approach to determine the stability of a laser cavity which can include non-conventional phase transformation elements. We consider two pertinent examples of the detailed investigation of the stability of a ... Read more
Twisted light

Author: Forbes, A ; Dudley, Angela L ; Roux, S Date: Dec 2010 Research at the Mathematical Optics Group uses "twisted" light to study new quatum-based information security systems. In order to understand the structure of "twisted" light, it is useful to start with an ordinary light beam with zero twist, ... Read more

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Browsing by Subject "Mathematical optics"

Browsing by Subject "Mathematical optics"

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