Chinese Journal of Lasers, Volume. 39, Issue 4, 402004(2012)

New Method of Generating Vectorial Polarized Beams

Huang Yan*, Ye Hong′an, Gao Laixu, Zhang Min, and Liu Shugang
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    In order to resolve the complicated structure and higher cost problems with current vectorial polarized beams (VPB) generating devices, a new method of generating vectorial polarized beams is proposed by using a ring device with many linear polarizer components concentric circles which is called polarization axis finder (PAF). Based on the special structure property of PAF, nature light emitted by a light emitting diode (LED) encounters the PAF, and then the azimuthally polarized beam (APB) is formed. A polarization transformation of APB to radially polarized beam (RPB) is consisted of two half-wave plates with angle of 45° between the two fast axes. The intensity distributions with different polarizer directions for vectorial polarized beams are observed. The experimental results generally agree with the results previously reported, which can verify the validity and practicality of this method.

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    Huang Yan, Ye Hong′an, Gao Laixu, Zhang Min, Liu Shugang. New Method of Generating Vectorial Polarized Beams[J]. Chinese Journal of Lasers, 2012, 39(4): 402004

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    Paper Information

    Category: Laser physics

    Received: Nov. 17, 2011

    Accepted: --

    Published Online: Mar. 17, 2012

    The Author Email: Huang Yan (huangyan@hlju.edu.cn)

    DOI:10.3788/cjl201239.0402004

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