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  • Received: Dec. 29, 2013

    Accepted: Mar. 27, 2014

    Posted: May. 6, 2014

    Published Online: May. 6, 2014

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    DOI: 10.3788/col201412.050701

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    Qiuying Li, Juan Huo, Xiaohui Zhao, Xianfeng Chen. Tunable rectangular array illuminator in periodically poled LiNbO3 crystal[J]. Chinese Optics Letters, 2014, 12(5): 050701

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  • Fourier Optics and Signal Processing
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Chinese Optics Letters, Vol. 12, Issue 5, 050701 (2014)

Tunable rectangular array illuminator in periodically poled LiNbO3 crystal

Qiuying Li, Juan Huo, Xiaohui Zhao, and Xianfeng Chen

Author Affiliations

    Abstract

    An electro-optic tunable rectangular array illuminator in one-dimensional periodically poled LiNbO3 (PPLN) crystal is presented experimentally which result is in good agreement with results from simulation. The illuminator is formed based on the Talbot self-imaging effect by applying an electric field on PPLN. The intensity distribution of rectangular array could be precisely modulated. Compared with other array illuminators, this tunable illuminator uses a lower voltage and could get a more concentrated intensity distribution. The influence of the incident angle to the self-imaging patterns is studied for the first time.

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