Slussarenko, Sergei, Marrucci, Lorenzo and Santamato, Enrico (2011) Tunable liquid crystal q-plates with arbitrary topological charge. [Pubblicazione in rivista scientifica]
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Original publication URL: http://www.opticsinfobase.org/abstract.cfm?URI=oe-...
Item Type: | Pubblicazione in rivista scientifica |
---|---|
Title: | Tunable liquid crystal q-plates with arbitrary topological charge |
Creators: | Creators Email Slussarenko, Sergei UNSPECIFIED Marrucci, Lorenzo UNSPECIFIED Santamato, Enrico UNSPECIFIED |
Autore/i: | Murauski, Anatoli; Du, Tao; Chigrinov, Vladimir |
Date: | 16 February 2011 |
Number of Pages: | 6 |
Department: | Scienze fisiche |
Sezione di dipartimento: | Struttura della materia |
Identification Number: | 10.1364/OE.19.004085 |
Original publication URL: | http://www.opticsinfobase.org/abstract.cfm?URI=oe-... |
Journal or Publication Title: | Optics Express |
Date: | 16 February 2011 |
ISSN: | 1094-4087 |
Volume: | 19 |
Number: | 5 |
Page Range: | pp. 4085-4090 |
Number of Pages: | 6 |
Keywords: | Liquid crystals; Optical vortices |
Identification Number: | 10.1364/OE.19.004085 |
Settori scientifico-disciplinari del MIUR: | Area 02 - Scienze fisiche > FIS/03 - Fisica della materia |
Date Deposited: | 22 Feb 2011 15:12 |
Last Modified: | 30 Apr 2014 19:43 |
URI: | http://www.fedoa.unina.it/id/eprint/7894 |
Collection description
Using a photoalignment technique with a sulphonic azo-dye as the surfactant aligning material, we fabricated electrically tunable liquid crystal q-plates with topological charge 0.5, 1.5 and 3 for generating optical vortex beams with definite orbital angular momentum (OAM) 1,3 and 6 per photon (in units of ¯h), respectively. We carried out several tests on our q-plates, including OAM tomography, finding excellent performances. These devices can have useful applications in general and quantum optics.
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