Radially polarized optical vortex micro-converters imprinted by femtosecond laser nanostructuring in amorphous silicon
- Drevinskas, R.
- Beresna, M.
- Gecevičius, M.
- Kazanskii, A.G.
- Konkov, O.I.
- Svirko, Y.P.
- Kazansky, P.G.
Publication date
May 2015
DOIAbstract
We demonstrate space variant polarization and phase converters imprinted by femtosecond laser nanostructuring in hydrogenated amorphous silicon thin film. Giant birefringence of imprinted structures allows fabrication of microoptic element arrays
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