Generalized refraction using lenslet arrays

Details Generalized refraction using lenslet arrays Generalized refraction using lenslet arrays

2009-01-21

arxiv.org/abs/0901.3250v1

Physics

Optics

12 pages, 8 figures

Scientific paper

10.1088/1464-4258/11/6/065502

We have recently started to investigate 2D arrays of confocal lens pairs. Miniaturization of the lens pairs can make the array behave ray-optically like a homogeneous medium. Here we generalize the geometry of the lens pairs. These generalisations include a sideways shift of the lens centres and a change in the orientation of both lenses in each pair. We investigate the basic ray optics of the resulting arrays, and illustrate these with movies rendered using ray-tracing software. We suggest that confocal lenslet arrays could be used to realize ray-optically some recent metamaterials concepts such as the coordinate-transform design paradigm.

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