Polarization-preserving angular shifter

Yi-Kai Cheng; Jyh-Long Chern

doi:10.1117/12.795848

2 September 2008 Polarization-preserving angular shifter

Yi-Kai Cheng, Jyh-Long Chern

Proceedings Volume 7059, Nonimaging Optics and Efficient Illumination Systems V; 70590J (2008) https://doi.org/10.1117/12.795848
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

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%.

Citation Download Citation

Yi-Kai Cheng and Jyh-Long Chern "Polarization-preserving angular shifter", Proc. SPIE 7059, Nonimaging Optics and Efficient Illumination Systems V, 70590J (2 September 2008); https://doi.org/10.1117/12.795848

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