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1. (WO2019032408) LOW BEND LOSS OPTICAL FIBER WITH A CHLORINE DOPED CORE AND OFFSET TRENCH
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2019/032408 International Application No.: PCT/US2018/045298
Publication Date: 14.02.2019 International Filing Date: 05.08.2018
IPC:
G02B 6/028 (2006.01) ,G02B 6/036 (2006.01)
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
02
Optical fibre with cladding
028
with core or cladding having graded refractive index
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
02
Optical fibre with cladding
036
core or cladding comprising multiple layers
Applicants:
CORNING INCORPORATED [US/US]; One Riverfront Plaza Corning, New York 14831, US
Inventors:
BOOKBINDER, Dana Craig; US
LI, Ming-Jun; US
MISHRA, Snigdharaj Kumar; US
TANDON, Pushkar; US
Agent:
CARLSON, Robert L.; US
Priority Data:
201981727.10.2017NL
62/542,51808.08.2017US
Title (EN) LOW BEND LOSS OPTICAL FIBER WITH A CHLORINE DOPED CORE AND OFFSET TRENCH
(FR) FIBRE OPTIQUE À FAIBLE PERTE DE COURBURE DOTÉE D'UN CŒUR DOPÉ AU CHLORE ET TRANCHÉE DÉCALÉE
Abstract:
(EN) An optical fiber includes (i) a chlorine doped silica based core having a core alpha (Coreα) ≥4, a radius r1, and a maximum refractive index delta Δ1max % and (ii) a cladding surrounding the core. The cladding surrounding the core includes a) a first inner cladding region adjacent to and in contact with the core and having a refractive index delta Δ2, a radius r2, and a minimum refractive index delta Δ2min such that Δ2min < Δ1max, b) a second inner cladding adjacent to and in contact with the first inner cladding having a refractive index Δ3, a radius r3, and a minimum refractive index delta Δ3min such that Δ3min < Δ2, and c) an outer cladding region surrounding the second inner cladding region and having a refractive index Δ5, a radius rmax, and a minimum refractive index delta Δ3min such that Δ3min < Δ2.
(FR) Une fibre optique selon l'invention comprend (1) un cœur de silice dopé au chlore possédant un cœur alpha (Coreα) ≥4, un rayon r1, et un delta d'indice de réfraction maximal Δ1max % et (ii) une gaine entourant le cœur. La gaine entourant le cœur comprend a) une première région de gaine interne adjacente au cœur et en contact avec celle-ci et ayant un delta d'indice de réfraction Δ2, un rayon r2, et un delta d'indice de réfraction minimum Δ2min de sorte que Δ2min < Δ1max, b) une seconde gaine interne adjacente à la première gaine interne et en contact avec celle-ci ayant un indice de réfraction Δ3, un rayon r3, et un delta d'indice de réfraction minimum Δ3min de sorte que Δ3min < Δ2, et c) une région de gaine externe entourant la seconde région de gaine interne et ayant un indice de réfraction Δ5, un rayon rmax, et un delta d'indice de réfraction minimum Δ3min de sorte que Δ3min < Δ2.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, 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, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)