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Proceedings Paper

Focal splitting and optical vortex structure induced by stress birefringence
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Paper Abstract

A variety of interesting polarization effects can be observed using a parallel-face window placed under symmetric stress of order m = 3 and illuminated with polarized light. Such windows, when placed under sufficient stress, can produce rings of alternating vortex and non-vortex fields. When light is brought to a focus, one component of circular polarization forms two nearly diffraction limited focal spots with axial separation larger than the usual depth of focus. We analyze and experimentally test these phenomena using interferometric methods as well as a Strehl ratio model and conclude by discussing applications to optical imaging.

Paper Details

Date Published: 18 September 2007
PDF: 7 pages
Proc. SPIE 6667, Current Developments in Lens Design and Optical Engineering VIII, 66670I (18 September 2007); doi: 10.1117/12.733828
Show Author Affiliations
Alexis K. Spilman, The Institute of Optics, Univ. of Rochester (United States)
Amber M Beckley, The Institute of Optics, Univ. of Rochester (United States)
Thomas G. Brown, The Institute of Optics, Univ. of Rochester (United States)


Published in SPIE Proceedings Vol. 6667:
Current Developments in Lens Design and Optical Engineering VIII
Pantazis Z. Mouroulis; Warren J. Smith; R. Barry Johnson, Editor(s)

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