Adjustable and robust methods for polarization-dependent focusing

We present two methods for the precise independent focusing of orthogonal linear polarizations of light at arbitrary relative locations. Our first scheme uses a displaced lens in a polarization Sagnac interferometer to provide adjustable longitudinal and lateral focal displacements via simple geomet...

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Bibliographic Details
Published in:Optics express 2013-07, Vol.21 (13), p.15538-15552
Main Authors: Schmid, David, Huang, Ting-Yu, Hazrat, Shiraz, Dirks, Radhika, Hosten, Onur, Quint, Stephan, Thian, Dickson, Kwiat, Paul G
Format: Article
Language:English
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Summary:We present two methods for the precise independent focusing of orthogonal linear polarizations of light at arbitrary relative locations. Our first scheme uses a displaced lens in a polarization Sagnac interferometer to provide adjustable longitudinal and lateral focal displacements via simple geometry; the second uses uniaxial crystals to achieve the same effect in a compact collinear setup. We develop the theoretical applications and limitations of our schemes, and provide experimental confirmation of our calculations.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.015538