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Production of azimuthally polarized beam with helical phase by use of the axicons and annular glass cylinder

机译:利用轴外应和环形玻璃圆筒生产具有螺旋相的方位角偏振梁的制造

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In this paper, we proposed a method for producing the azimuthally polarized vector beam experimentally. The experimental setup includes two of the same axicons and one annular glass cylinder. The top angles of the two axicons were placed facing each other and the annular cylinder was set among the two axicons. One circular polarized beam was passed through the first axicon, the annular cylinder, and the second axicon in turn. When the beam incident on the inner surface of the annular cylindrical satisfied the Brewster angle, we obtained the azimuthally polarized beam for the reflected light from the annular cylindrical that only contains the s-polarization component. We have derived that the azimuthally polarized vector beam has the helical phase factor with the helical phase factor of exp(-i phi) for the left circularly polarized beam incident and exp(i phi) for the right circularly polarized beam incident. (C) 2020 Optical Society of America
机译:在本文中,我们提出了一种实验制造方位级偏振载体光束的方法。 实验装置包括两个相同的轴突和一个环形玻璃缸。 两个轴的顶角彼此面对,并且在两个轴突中设定了环形圆柱体。 圆形偏振光束通过第一轴线,环形圆柱体和第二轴线。 当入射在环形圆柱形的内表面上的梁满足布鲁斯特角时,我们获得了仅包含S偏振分量的环形圆柱形的反射光的方位偏振光束。 我们已经得出,方位角偏振的矢量光束具有螺旋相位因子,其具有EXP(-I phi)的螺旋相位因子,用于左圆偏振光束事件和右圆偏振光束入射的exp(i phi)。 (c)2020美国光学学会

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    《Applied optics》 |2020年第6期|共4页
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