Artificial_Halo_projected_on_a_spherical_screen.jpg


Summary

Description
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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May 2015

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