RU2018126638A - Легированное бромом оптическое волокно - Google Patents

Легированное бромом оптическое волокно Download PDF

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RU2018126638A
RU2018126638A RU2018126638A RU2018126638A RU2018126638A RU 2018126638 A RU2018126638 A RU 2018126638A RU 2018126638 A RU2018126638 A RU 2018126638A RU 2018126638 A RU2018126638 A RU 2018126638A RU 2018126638 A RU2018126638 A RU 2018126638A
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optical fiber
fiber according
porous preform
core
quartz glass
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Джордж Эдвард БЕРКИ
Стивен Брюс ДОЗ
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Корнинг Инкорпорейтед
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    • GPHYSICS
    • G02OPTICS
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    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/036Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
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    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
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    • C03B37/014Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
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    • C03B37/01Manufacture of glass fibres or filaments
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    • C03B37/014Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01446Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
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    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
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    • C03C4/00Compositions for glass with special properties
    • C03C4/0092Compositions for glass with special properties for glass with improved high visible transmittance, e.g. extra-clear glass
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    • G02B6/02004Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
    • G02B6/02009Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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    • G02B6/028Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/036Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
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    • C03B2201/06Doped silica-based glasses
    • C03B2201/08Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
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    • C03B2201/30Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
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    • C03C2201/00Glass compositions
    • C03C2201/06Doped silica-based glasses
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    • C03C2201/00Glass compositions
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Claims (30)

1. Оптическое волокно, содержащее Br.
2. Оптическое волокно по п.1, в котором упомянутое оптическое волокно дополнительно содержит кварцевое стекло, и упомянутый Br является легирующей примесью в упомянутом кварцевом стекле.
3. Оптическое волокно по п.1, дополнительно содержащее Cl.
4. Оптическое волокно по п.1, при этом упомянутое оптическое волокно включает в себя сердцевину и оболочку, причем упомянутая сердцевина содержит Br.
5. Оптическое волокно по п.4, в котором упомянутая сердцевина включает в себя кварцевое стекло, легированное с помощью Br.
6. Оптическое волокно по п.4, в котором упомянутая оболочка содержит Br.
7. Оптическое волокно по п.5, в котором концентрация Br в упомянутом кварцевом стекле упомянутой сердцевины находится в интервале от 0,01 вес.% до 4,0 вес.%
8. Оптическое волокно по п.4, в котором упомянутая сердцевина дополнительно содержит Cl
9. Оптическое волокно по п.4, в котором упомянутая оболочка включает в себя внутреннюю оболочку и внешнюю оболочку, причем упомянутая внутренняя оболочка имеет более низкий относительный показатель преломления, чем упомянутая внешняя оболочка, а упомянутая внешняя оболочка имеет более низкий относительный показатель преломления, чем упомянутая сердцевина.
10. Оптическое волокно по п.9, в котором упомянутая внутренняя оболочка включает в себя нелегированное кварцевое стекло.
11. Оптическое волокно по п.9, в котором упомянутая внутренняя оболочка включает в себя кварцевое стекло, легированное с помощью F.
12. Оптическое волокно по п.11, в котором концентрация F в упомянутом кварцевом стекле упомянутой внутренней оболочки находиться в интервале от 0,05 вес.% до 0,80 вес.%.
13. Оптическое волокно по п.12, в котором концентрация Br в упомянутом кварцевом стекле упомянутой сердцевины находится в интервале от 0,50 вес.% до 2,5 вес.%.
14. Оптическое волокно по п.9, в котором упомянутая внешняя оболочка включает в себя кварцевое стекло, легированное Br.
15. Оптическое волокно по п.14, в котором концентрация Br в упомянутом кварцевом стекле упомянутой сердцевины больше, чем концентрация Br в упомянутом кварцевом стекле упомянутой внешней оболочки.
16. Оптическое волокно по п.15, в котором упомянутая внутренняя оболочка включает в себя нелегированное кварцевое стекло.
17. Оптическое волокно по п.5, в котором упомянутая сердцевина имеет относительный показатель преломления в интервале от 0,08% до 0,30%.
18. Оптическое волокно по п.9, в котором упомянутая сердцевина имеет относительный показатель преломления в интервале от 0,08% до 0,30%.
19. Оптическое волокно по п.18, в котором упомянутая наружная оболочка имеет относительный показатель преломления в интервале от 0,05% до 0,20%.
20. Оптическое волокно по п.5, в котором упомянутая сердцевина испытывает недостаток в Ge.
21. Способ, дополнительно содержащий легирование тела пористой заготовки с помощью Br.
22. Способ по п.21, в котором тело пористой заготовки содержит кварц.
23. Способ по п.21, в котором упомянутое легирование включает в себя подвергание упомянутого тела пористой заготовки воздействию SiBr4.
24. Способ по п.21, дополнительно содержащий легирование упомянутого тела пористой заготовки с помощью Cl.
25. Способ по п.21, дополнительно содержащий консолидирование упомянутого тела пористой заготовки, легированного Br.
26. Способ по п.21, дополнительно содержащий образование пористой заготовки на упомянутом консолидированном теле пористой заготовки.
27. Способ по п.26, в котором упомянутая пористая заготовка представляет собой кварцевую пористую заготовку.
28. Способ по п.27, дополнительно содержащий легирование кварцевой пористой заготовки с помощью Br.
29. Способ по п.26, дополнительно содержащий консолидирование упомянутого упомянутой пористой заготовки с целью образования консолидированного тела, причем упомянутое консолидированное тело содержит упомянутое консолидированное тело пористой заготовки, легированное Br, и упомянутую консолидированную пористую заготовку.
30. Способ по п. 29, дополнительно содержащий вытягивание оптического волокна из упомянутого консолидированного тела
RU2018126638A 2015-12-22 2016-12-13 Легированное бромом оптическое волокно RU2736023C2 (ru)

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JP2019505837A (ja) 2019-02-28
RU2018126638A3 (ru) 2020-06-02
US20170176673A1 (en) 2017-06-22
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US10884184B2 (en) 2021-01-05

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