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| Tags: colours, optical, show, their, true, vortices |
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#1
November 22nd 03
posted to sci.physics
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Optical vortices show their true colours
Ref: http://physicsweb.org/article/news/7/11/12
Physicists at Glasgow University in the UK have observed for the first time the hidden colours that were recently predicted to exist in "dark light" (J Leach and M Padgett 2003 New J. Phys. 5 154). Dark light is produced when two or more beams of light interfere destructively and cancel each other out to form a spot that appears completely black to the human eye. See: http://physicsweb.org/article/news/7/11/12 
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