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Publication details

METATOYs and optical vortices

Further information
Citation:	COURTIAL, Johannes Klaus - TYC, Tomáš. METATOYs and optical vortices. Journal of Optics, Bristol, GB, IOP Publishing Ltd, Great Britain. ISSN 2040-8978, 2011, vol. 13, no. 11, "nestránkováno"-5 pp.
Original language:	English
Field:	Optics, masers and lasers
WWW:	http://iopscience.iop.org/2040-8986/13/11/115704/
Type:	Article in Periodical
Keywords:	metatoy;optical vortex;phase singularity;superfluid helium;

METATOYs are regular structures of optical elements that change the direction of light rays according to various generalized refraction laws. They may introduce discontinuities into transmitted wavefronts and create ray fields that do not have wave-optical analogies. We show that in such cases optical vortices are created during propagation and that this is in close relation to the properties of the rotations of superfluid helium. We also analyze the vortex density for a particular example of a METATOY.

Related projects:

• Highly Parallel and Distributed Computing Systems
• Mathematical structures and their physical applications