Original paper "Fairy Lights in Femtoseconds: Aerial and Volumetric Graphics Rendered by Focused Femtosecond Laser Combined with Computational Holographic Fields":<p><a href="http://arxiv.org/ftp/arxiv/papers/1506/1506.06668.pdf" rel="nofollow">http://arxiv.org/ftp/arxiv/papers/1506/1506.06668.pdf</a>