Experimental demonstration of ray-optical refraction with confocal lenslet arrays

We observe imaging through windows comprising pairs of confocal lenslet arrays that have different focal lengths but that are otherwise identical. Image space is stretched in the longitudinal direction only. Such windows are examples of METATOYs, optical components that can change light-ray directio...

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Bibliographic Details
Published in:Optics letters 2010-12, Vol.35 (23), p.4060-4062
Main Authors: COURTIAL, Johannes, KIRKPATRICK, Blair C, LOGEAN, Eric, SCHARF, Toralf
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optics
Physics
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Summary:We observe imaging through windows comprising pairs of confocal lenslet arrays that have different focal lengths but that are otherwise identical. Image space is stretched in the longitudinal direction only. Such windows are examples of METATOYs, optical components that can change light-ray direction in ways that appear wave-optically forbidden.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.35.004060