On 9/12/2016 12:38 PM, Bald Eagle wrote:
> Just because I found it, and someone needs to code up this sick new lens for
> POV-Ray  :)
>
> https://www.osapublishing.org/oe/abstract.cfm?uri=oe-23-5-5716
>
>
> "We propose a three dimensional optical instrument with an isotropic gradient
> index in which all ray trajectories form Lissajous curves. The lens represents
> the first absolute optical instrument discovered to exist without spherical
> symmetry (other than trivial cases such as the plane mirror or conformal maps of
> spherically-symmetric lenses). An important property of this lens is that a
> three-dimensional region of space can be imaged stigmatically with no
> aberrations, with a point and its image not necessarily lying on a straight line
> with the lens center as in all other absolute optical instruments. In addition,
> rays in the Lissajous lens are not confined to planes. The lens can optionally
> be designed such that no rays except those along coordinate axes form closed
> trajectories, and conformal maps of the Lissajous lens form a rich new class of
> optical instruments."
>
> I'm probably gonna have to read the whole PDF 3 or more times just to understand
> what it does  :O
>
>
  Can I attach one of these lenses to my iPhone?

Mike

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