(19)
(11) EP 1 476 775 A2

(12)

(88) Date of publication A3:
20.11.2003

(43) Date of publication:
17.11.2004 Bulletin 2004/47

(21) Application number: 03736438.7

(22) Date of filing: 21.02.2003
(51) International Patent Classification (IPC)7G02B 6/30, G02B 6/12
(86) International application number:
PCT/US2003/005064
(87) International publication number:
WO 2003/079081 (25.09.2003 Gazette 2003/39)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR

(30) Priority: 21.02.2002 EP 02290418

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington,Delaware 19898 (US)

(72) Inventors:
  • BANEY, Bruno, Paul, Marc
    F-77210 Avon (FR)
  • MORONI, Marc
    F-77211 Avon (FR)

(74) Representative: Cabinet Hirsch 
58, avenue Marceau
75008 Paris
75008 Paris (FR)

   


(54) OPTICAL WAVEGUIDE END FACET COUPLING