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Compact LCOS-SLM Based Polarization Pattern Beam Generator
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DOI：10.1109/JLT.2015.2395256.png)
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Abstract
En 中文
In this paper, a compact optical system for generating arbitrary spatial light polarization patterns is demonstrated. The system uses a single high-resolution liquid crystal (LC) on silicon (LCOS) spatial light modulator. A specialized optical mount is designed and fabricated using a 3D printer, in order to build a compact dual optical architecture, where two different phase patterns are encoded on two adjacent halves of the LCOS screen, with a polarization transformation in between. The final polarization state is controlled via two rotations of the Poincare sphere. In addition, a relative phase term is added, which is calculated based on spherical trigonometry on the Poincare sphere. Experimental results are presented that show the effectiveness of the system to produce polarization patterns.
Keywords:
Adaptive optics
displays
optical modulation
optical polarization
optical retarders
optical vortices
stokes parameters
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