Karimi, Ebrahim and Piccirillo, Bruno and Marrucci, Lorenzo and Santamato, Enrico (2009) Efficient generation and sorting of orbital angular momentum eigenmodes of light by thermally tuned q-plates. [Pubblicazione in rivista scientifica]

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Item Type: Pubblicazione in rivista scientifica
Language: English
Title: Efficient generation and sorting of orbital angular momentum eigenmodes of light by thermally tuned q-plates
Creators:
CreatorsEmail
Karimi, EbrahimUNSPECIFIED
Piccirillo, BrunoUNSPECIFIED
Marrucci, LorenzoUNSPECIFIED
Santamato, EnricoUNSPECIFIED
Autor/s: E. Karimi, B. Piccirillo, E. Nagali, L. Marrucci, E. Santamato
Date: 2009
Number of Pages: 3
Department: Scienze fisiche
Identification Number: 10.1063/1.3154549
Official URL: http://link.aip.org/link/?APL/94/23/htmltoc http:/...
Journal or Publication Title: APPLIED PHYSICS LETTERS
Date: 2009
Volume: 94
Page Range: 231124-1-231124-3
Number of Pages: 3
Uncontrolled Keywords: momento orbitale cella luce, q-plate, processo STOC
Identification Number: 10.1063/1.3154549
Date Deposited: 21 Oct 2010 06:57
Last Modified: 30 Apr 2014 19:43
URI: http://www.fedoa.unina.it/id/eprint/7604

Abstract

We present methods for generating and for sorting specific orbital angular momentum (OAM) eigenmodes of a light beam with high efficiency, using a liquid crystal birefringent plate with unit topological charge known as “q-plate.” The generation efficiency has been optimized by tuning the optical retardation of the q-plate with temperature. The measured OAM m=2 eigenmodes generation efficiency from an input TEM00 beam was of 97%. Mode sorting of the two input OAM m=2 eigenmodes was achieved with an efficiency of 81%.

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