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1. (WO2010020251) FIBRE OPTIQUE AVEC STRUCTURE RÉSONANTE D'ÉLÉMENTS DE GAINE RELIÉS À UN COLLECTEUR DE LUMIÈRE
Dernières données bibliographiques dont dispose le Bureau international   

N° de publication :    WO/2010/020251    N° de la demande internationale :    PCT/DK2009/000185
Date de publication : 25.02.2010 Date de dépôt international : 18.08.2009
CIB :
G02B 6/02 (2006.01), H01S 3/067 (2006.01), C03B 37/027 (2006.01)
Déposants : NKT PHOTONICS A/S [DK/DK]; Blokken 84 DK-3460 Birkerød (DK) (Tous Sauf US).
ALKESKJOLD, Thomas Tanggaard [DK/DK]; (DK) (US Seulement)
Inventeurs : ALKESKJOLD, Thomas Tanggaard; (DK)
Mandataire : JENSEN, Jesper Bo; Hegner & Partners A/S Banemarksvej 50 DK-2605 Brøndby (DK)
Données relatives à la priorité :
61/089,757 18.08.2008 US
61/219,534 23.06.2009 US
Titre (EN) OPTICAL FIBER WITH RESONANT STRUCTURE OF CLADDING FEATURES CONNECTED TO LIGHT SINK
(FR) FIBRE OPTIQUE AVEC STRUCTURE RÉSONANTE D'ÉLÉMENTS DE GAINE RELIÉS À UN COLLECTEUR DE LUMIÈRE
Abrégé : front page image
(EN)An optical fibre that use index-guidance formed with a low index cladding or a microstructured cladding using voids/holes or low index features (404) together with multiple high index resonant cladding features (1205, 1206). One to three resonant cross sectional extending structure act as a filter by resonantly coupling light out to part of the cladding (1202) or other structures (fx. a high index outer cladding ring) that acts as light sink(s) at one to three wavelength when using one to three materials or features with different size, shape, refractive index profile or normalized frequency parameter. The fibre can be asymmetrical. The fibre can be adapted for suppression of higher order modes (HOM) and/or guiding light in a narrow spectral wavelength range and act as a band pass filter. For enhancing out-coupling the high index features can be arranged along two intersecting lines tangentially positioned in relation to the core and along a line that extends from the core and intersects the tangentially positioned lines. Light absorbing material such as samarium can be used in the light sink. The fibre can be used in a fibre amplifier or fibre laser.
(FR)The invention relates to an optical fiber adapted for suppression of higher order modes (HOM) and/or for guiding light in a narrow spectral wavelength range. The inner cladding region of the optical fiber comprises inner cladding features forming one or more cross sectional extending optical resonant structure connecting said core region to one or more light sinks.
États désignés : AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
Organisation régionale africaine de la propriété intellectuelle (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Office eurasien des brevets (OEAB) (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
Office européen des brevets (OEB) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
Organisation africaine de la propriété intellectuelle (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Langue de publication : anglais (EN)
Langue de dépôt : anglais (EN)