Visualizing polarization singularities in Bessel-Poincar? beams
We demonstrate that an annulus of light whose polarization is linear at each point, but the plane of polarization gradually rotates by π radians can be used to generate Bessel-Poincare beams. In any transverse plane this beam exhibits concentric rings of polarization singularities in the form of L-lines, where the polarization is purely linear. Although the Llines are invisible in terms of light intensity variations, we present a simple way to visualize them as dark rings around a sharp peak of...[Show more]
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|01_Shvedov_Visualizing_polarization_2015.pdf||1.31 MB||Adobe PDF|
|02_Shvedov_Visualizing_polarization_2015.pdf||3.89 MB||Adobe PDF|
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