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Proceedings Paper

Precise transverse alignment of a vectorial optical-field generator for complex optical field generation
Author(s): Jian Chen; Chenhao Wan; Lingjiang Kong; Qiwen Zhan
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Paper Abstract

Based on the Fraunhofer diffraction theory and the properties of dove prism, the coordinate relationships among the four spatial light modulator (SLM) sections in a vectorial optical field generator (VOF-Gen) are derived and experimentally verified. Taking the coordinate system of the first SLM section as reference, the coordinate displacements between the first SLM section and the subsequent ones are measured through employing the specially designed four-quadrant patterns with varying shifts of the corresponding cross point. Complex optical field could be accurately generated by combining the derived coordinate relationships and pre-compensation of the measured coordinate displacements. A typical complex optical field is generated and the experimental results demonstrate the validity of the proposed transverse alignment method for the VOF-Gen.

Paper Details

Date Published: 27 February 2017
PDF: 8 pages
Proc. SPIE 10120, Complex Light and Optical Forces XI, 1012005 (27 February 2017); doi: 10.1117/12.2250192
Show Author Affiliations
Jian Chen, Univ. of Electronic Science and Technology of China (China)
Univ. of Dayton (United States)
Chenhao Wan, Univ. of Dayton (United States)
Huazhong Univ. of Science and Technology (China)
Lingjiang Kong, Univ. of Electronic Science and Technology of China (China)
Qiwen Zhan, Univ. of Dayton (United States)

Published in SPIE Proceedings Vol. 10120:
Complex Light and Optical Forces XI
David L. Andrews; Enrique J. Galvez; Jesper Glückstad, Editor(s)

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