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Proceedings Paper

Polarization-preserving angular shifter
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Paper Abstract

We propose two types of light pipes, namely wedge and circular forms, the incident direction of light propagation could be rotated as necessary while still preserving beam polarization. We also deduce the basic conditions of these preservations of polarization. Several typical cases of light pipes are analyzed by numerical simulation. As one of the examples, it is verified that a collimated beam with +45 degree linearly polarization can be guided to any pre-settled direction where the ellipse ratio variation in polarization is less than 0.1%.

Paper Details

Date Published: 2 September 2008
PDF: 10 pages
Proc. SPIE 7059, Nonimaging Optics and Efficient Illumination Systems V, 70590J (2 September 2008); doi: 10.1117/12.795848
Show Author Affiliations
Yi-Kai Cheng, National Chiao Tung Univ. (Taiwan)
Jyh-Long Chern, National Chiao Tung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 7059:
Nonimaging Optics and Efficient Illumination Systems V
Roland Winston; R. John Koshel, Editor(s)

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