Precise transverse alignment of a vectorial optical-field generator for complex optical field generation

Jian Chen; Chenhao Wan; Lingjiang Kong; Qiwen Zhan

doi:10.1117/12.2250192

27 February 2017 Precise transverse alignment of a vectorial optical-field generator for complex optical field generation

Jian Chen, Chenhao Wan, Lingjiang Kong, Qiwen Zhan

Author Affiliations +

Proceedings Volume 10120, Complex Light and Optical Forces XI; 1012005 (2017) https://doi.org/10.1117/12.2250192
Event: SPIE OPTO, 2017, San Francisco, California, United States

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.

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Citation Download Citation

Jian Chen, Chenhao Wan, Lingjiang Kong, and Qiwen Zhan "Precise transverse alignment of a vectorial optical-field generator for complex optical field generation", Proc. SPIE 10120, Complex Light and Optical Forces XI, 1012005 (27 February 2017); https://doi.org/10.1117/12.2250192

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