File:Artificial Halo projected on a spherical screen.jpg

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English: Artificial halo created by spinning a crystal around several axis and illuminating it with a blue laser diode. The deflected beam is projected on a spherical screen and the photograph averaged over many revolutions of the spinning crystal.
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I have photographed the image myself

Previously published: 2016-11-03
Author Markus Selmke
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I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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Date/TimeThumbnailDimensionsUserComment
current11:58, 3 November 2016Thumbnail for version as of 11:58, 3 November 20161,891 × 1,889 (639 KB)Markus Selmke (talk | contribs){{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|Artificial halo created by spinning a crystal around several axis and illuminating it with a blue laser diode. The deflected beam is projected on a spherical screen and the pho...

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