(19)
(11) EP 2 551 714 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.06.2016 Bulletin 2016/22

(45) Mention of the grant of the patent:
02.03.2016 Bulletin 2016/09

(21) Application number: 12178391.4

(22) Date of filing: 27.07.2012
(51) International Patent Classification (IPC): 
G02B 26/06(2006.01)
G02B 21/32(2006.01)
 G02B 27/28(2006.01)

(54)

Plasmonic plate for generating optical vortices

Plasmonplatte zur Erzeugung optischer Wirbel

Plaque plasmonique pour générer des tourbillons optiques

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 27.07.2011 IT TO20110682

(43) Date of publication of application:
30.01.2013 Bulletin 2013/05

(73) Proprietor: FINMECCANICA - Società per azioni
Roma (IT)

(72) Inventors:
  • Bovino, Fabio Antonio
    00195 ROMA (IT)
  • Braccini, Matteo
    00195 ROMA (IT)
  • Benedetti, Alessio
    00195 ROMA (IT)

(74) Representative: Bergadano, Mirko et al
Studio Torta S.p.A. Via Viotti, 9
10121 Torino
10121 Torino (IT)


(56) References cited: : 
US-A1- 2006 054 793
   
  • CHRISTIAN H. J. SCHMITZ ET AL: "Tuning the orbital angular momentum in optical vortex beams", OPTICS EXPRESS, vol. 14, no. 15, 1 January 2006 (2006-01-01), page 6604, XP055018752, ISSN: 1094-4087, DOI: 10.1364/OE.14.006604
  • AVI NIV ET AL: "Propagation-invariant vectorial Bessel beams obtained by use of quantized Pancharatnam Berry phase optical elements", OPTICS LETTERS, vol. 29, no. 3, 1 January 2004 (2004-01-01), page 238, XP055018755, ISSN: 0146-9592, DOI: 10.1364/OL.29.000238
  • GABRIEL BIENER ET AL: "Formation of helical beams by use of Pancharatnam-Berry phase optical elements", OPTICS LETTERS, vol. 27, no. 21, 1 November 2002 (2002-11-01), page 1875, XP055018756, ISSN: 0146-9592, DOI: 10.1364/OL.27.001875
  • JÖRG B. GÖTTE ET AL: "Light beams with fractional orbital angular momentum and their vortex structure", OPTICS EXPRESS, vol. 16, no. 2, 1 January 2008 (2008-01-01), page 993, XP055018758, ISSN: 1094-4087, DOI: 10.1364/OE.16.000993
  • AMIRI ET AL: "Fresnel diffraction from 1D and 2D phase steps in reflection and transmission modes", OPTICS COMMUNICATIONS, NORTH-HOLLAND PUBLISHING CO. AMSTERDAM, NL, vol. 272, no. 2, 24 February 2007 (2007-02-24), pages 349-361, XP005905030, ISSN: 0030-4018, DOI: 10.1016/J.OPTCOM.2006.11.048
   
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