Journal
APPLIED PHYSICS LETTERS
Volume 98, Issue 20, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3590716
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Funding
- Engineering and Physical Sciences Research Council (EPSRC) [EP/E034802/1]
- European Commission [260103]
- Engineering and Physical Sciences Research Council [EP/E034802/1] Funding Source: researchfish
- EPSRC [EP/E034802/1] Funding Source: UKRI
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We demonstrate the generation of optical vortices with radial or azimuthal polarization using a space variant polarization converter, fabricated by femtosecond laser writing of self-assembled nanostructures in silica glass. Manipulation of the induced form birefringence is achieved by controlling writing parameters, in particular, the polarization azimuth of the writing beam. The fabricated converter allows switching from radial to azimuthal polarization by controlling the handedness of incident circular polarization. (C) 2011 American Institute of Physics. [doi:10.1063/1.3590716]
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