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公开(公告)号：US20180052280A1
公开(公告)日：2018-02-22
申请号：US15725014
申请日：2017-10-04
发明人： Lei ZHANG , Shengya LONG , Jihong ZHU , Jun WU , Ruichun WANG
CPC分类号： G02B6/03683 , C03C3/06 , C03C13/045 , C03C13/046 , C03C2201/12 , C03C2201/31 , C03C2201/32 , C03C2201/42 , C03C2201/50 , C03C2201/54 , C03C2213/00 , G02B6/02009
摘要： A doping optimized single-mode optical fiber with ultra low attenuation includes a core layer and cladding layers. The cladding layers has an inner cladding layer surrounding the core layer, a trench cladding layer surrounding the inner cladding layer, an auxiliary outer cladding layer surrounding the trench cladding layer, and an outer cladding layer surrounding the auxiliary outer cladding layer. The content of fluorine in the core layer is ≦0.5 wt %, ΔGe≦0.12%, Δn1≦0.12%. The content of fluorine in the inner cladding layer is 0.5-1.5 wt %, Δn2≦−0.14%. The content of fluorine in the trench cladding layer is 1-3 wt %, Δn3≦−0.25%. The content of fluorine in the auxiliary outer cladding layer is 0.5-2 wt %, Δn4≦−0.14%. The outer cladding layer is a pure silicon dioxide glass layer and/or a metal-doped silicon dioxide glass layer.
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公开(公告)号：US09878933B2
公开(公告)日：2018-01-30
申请号：US14804673
申请日：2015-07-21
发明人： Malte Schwerin , Martin Trommer , Steffen Zwarg
IPC分类号： C03C3/06 , C03B19/06 , C03B37/014 , C03B19/14 , C03C13/04 , C03B23/045 , C03B23/09
CPC分类号： C03B19/066 , C03B19/1453 , C03B19/1461 , C03B23/045 , C03B23/095 , C03B23/099 , C03B37/01446 , C03B37/01453 , C03B37/0146 , C03B2201/075 , C03B2201/12 , C03B2201/32 , C03B2201/34 , C03B2201/36 , C03B2201/40 , C03B2201/42 , C03C3/06 , C03C13/045 , C03C2201/12 , C03C2201/32 , C03C2201/34 , C03C2201/36 , C03C2201/40 , C03C2201/42 , C03C2203/46
摘要： One aspect relates to a method for the manufacture of doped quartz glass. Moreover, one aspect relates to quartz glass obtainable according to the method including providing a soot body, treating the soot body with a gas, heating an intermediate product and vitrifying an intermediate product.
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公开(公告)号：US20180002221A1
公开(公告)日：2018-01-04
申请号：US15689648
申请日：2017-08-29
申请人： Corning Incorporated
CPC分类号： C03C13/046 , C03B37/014 , C03B37/01446 , C03B37/01453 , C03B2201/12 , C03B2201/20 , C03B2203/23 , C03C3/06 , C03C13/045 , C03C2201/11 , C03C2201/12 , G02B6/02019 , G02B6/0281 , G02B6/0288 , G02B6/03627 , G02B6/03655 , G02B6/03683
摘要： A co-doped optical fiber is provided having an attenuation of less than about 0.17 dB/km at a wavelength of 1550 nm. The fiber includes a core region in the fiber having a graded refractive index profile with an alpha of greater than 5. The fiber also includes a first cladding region in the fiber that surrounds the core region. Further, the core region has a relative refractive index of about −0.10% to about +0.05% compared to pure silica. In addition, the core region includes silica that is co-doped with chlorine at about 1.2% or greater by weight and fluorine between about 0.1% and about 1% by weight.
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公开(公告)号：US20170371096A1
公开(公告)日：2017-12-28
申请号：US15700493
申请日：2017-09-11
发明人： Hirotaka SAKUMA , Yoshiaki TAMURA , Keisei MORITA
IPC分类号： G02B6/02 , C03B37/014 , C03C13/04
CPC分类号： G02B6/02 , C03B37/01211 , C03B37/01228 , C03B37/01248 , C03B37/014 , C03B37/01453 , C03B2201/12 , C03B2201/20 , C03B2201/50 , C03B2201/54 , C03B2203/22 , C03C3/06 , C03C13/042 , C03C13/045 , C03C25/607 , C03C2201/11 , C03C2201/12 , C03C2201/50 , C03C2201/54
摘要： An optical fiber containing alkali metal elements or the like in which Rayleigh scattering loss can be reduced is provided. An optical fiber includes a core composed of silica glass and a cladding which surrounds the core, has a refractive index lower than a refractive index of the core, and is composed of silica glass containing fluorine. The core contains a first group of dopants and a second group of dopants having a diffusion coefficient lower than a diffusion coefficient of the first group of dopants. The difference between the maximum value and the minimum value of residual stress in the optical fiber is 150 MPa or less.
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公开(公告)号：US20170349478A1
公开(公告)日：2017-12-07
申请号：US15686313
申请日：2017-08-25
申请人： Corning Incorporated
IPC分类号： C03C3/076 , C03B19/14 , C03B25/00 , C03C23/00 , C03B19/12 , C03C3/089 , C03C3/112 , C03C3/06 , C03B25/02
CPC分类号： C03C3/076 , C03B19/12 , C03B19/1453 , C03B25/00 , C03B25/02 , C03B2201/10 , C03B2201/12 , C03B2201/42 , C03C3/06 , C03C3/089 , C03C3/112 , C03C23/007 , C03C2201/10 , C03C2201/12 , C03C2201/14 , C03C2203/52
摘要： Annealing treatments for modified titania-silica glasses and the glasses produced by the annealing treatments. The annealing treatments include an isothermal hold that facilitates equalization of non-uniformities in fictive temperature caused by non-uniformities in modifier concentration in the glasses. The annealing treatments may also include heating the glass to a higher temperature following the isothermal hold and holding the glass at that temperature for several hours. Glasses produced by the annealing treatments exhibit high spatial uniformity of CTE, CTE slope, and fictive temperature, including in the presence of a spatially non-uniform concentration of modifier.
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公开(公告)号：US09802852B2
公开(公告)日：2017-10-31
申请号：US14582237
申请日：2014-12-24
申请人： NIKON CORPORATION
发明人： Toshio Yoshinari , Tadahiko Saito
CPC分类号： C03B19/1415 , C03B11/00 , C03B19/1453 , C03B19/1469 , C03B19/1476 , C03B19/1492 , C03B23/0013 , C03B23/0496 , C03B32/005 , C03B2201/12 , C03B2201/42 , C03C3/04 , C03C3/06 , C03C2201/12 , C03C2201/42 , C03C2203/44 , C03C2203/52
摘要： A method for manufacturing an SiO2—TiO2 based glass upon a target by a direct method, includes a first process of preheating the target and a second process of growing an SiO2—TiO2 based glass ingot to a predetermined length upon the target which has been preheated, wherein the target is heated in the first process such that, in the second process, the temperature of growing surface of the glass ingot is maintained at or above a predetermined lower limit temperature.
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公开(公告)号：US09733426B2
公开(公告)日：2017-08-15
申请号：US14944798
申请日：2015-11-18
发明人： Kazuhiro Yonezawa , Tadashi Enomoto
CPC分类号： G02B6/0288 , C03C13/045 , C03C2201/10 , C03C2201/11 , C03C2201/12 , C03C2201/28 , C03C2201/31 , G02B6/02214 , G02B6/03627 , G02B6/0365
摘要： The present invention relates to an MMF with a structure for relaxing wavelength dependence of transmission bandwidth. In the MMF, a doping amount of a dopant for control of refractive index is adjusted, so as to make each of an OFL bandwidth at a wavelength of 850 nm and an OFL bandwidth at a wavelength of at least one of 980 nm, 1060 nm, and 1300 nm become not less than 1500 MHz·km, make the OFL bandwidth at the wavelength of at least one of 980 nm, 1060 nm, and 1300 nm become wider than the OFL bandwidth at the wavelength of 850 nm, and effectively suppress increase in transmission loss.
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公开(公告)号：US20170219770A1
公开(公告)日：2017-08-03
申请号：US15485619
申请日：2017-04-12
申请人： Corning Incorporated
IPC分类号： G02B6/036 , C03C3/06 , C03C13/04 , G02B6/02 , C03B37/027
CPC分类号： G02B6/03627 , C03B37/02 , C03B37/027 , C03B37/02718 , C03B37/02727 , C03B2201/12 , C03B2201/20 , C03B2201/31 , C03B2203/223 , C03B2203/23 , C03B2203/24 , C03B2205/55 , C03B2205/56 , C03C3/06 , C03C13/045 , C03C13/046 , C03C2201/12 , C03C2201/31 , C03C2213/00 , G02B6/02014
摘要： A single mode optical fiber having a core made from silica and less than or equal to about 6.5 weight % germania and having a maximum relative refractive index Δ1MAX. The optical fiber also has an inner cladding surrounding the core and having a minimum relative refractive index Δ2MIN. A difference between a softening point of the core and a softening point of the inner cladding is less than or equal to about 20° C., and Δ1MAX>Δ2MIN. The single mode optical fiber may also have an outer cladding surrounding the inner cladding made from silica or SiON. The outer cladding has a maximum relative refractive index Δ3MAX, and Δ3MAX>Δ2MIN. A method for manufacturing an optical fiber includes providing a preform to a first furnace, the preform, drawing the optical fiber from the preform, and cooling the drawn optical fiber in a second furnace.
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9.发明申请公开(公告)号：US20170217814A2
公开(公告)日：2017-08-03
申请号：US15035776
申请日：2014-11-06
申请人： Stefan OCHS , Klaus BECKER
发明人： Stefan OCHS , Klaus BECKER
CPC分类号： C03B19/1461 , C03B19/066 , C03B19/106 , C03B19/1095 , C03B19/14 , C03B2201/12 , C03B2201/42 , C03C3/06 , C03C4/0085 , C03C2201/12 , C03C2201/42 , C03C2203/40 , C03C2203/54 , C03C2204/00 , G03F1/24
摘要： A method for producing a blank from titanium-doped, highly silicic-acidic glass having a specified fluorine content for use in EUV lithography is described, in which the thermal expansion coefficient over the operating temperature remains at zero as stably as possible. The course of the thermal expansion coefficient of Ti-doped silica glass depends on a plurality of influencing factors. In addition to the absolute titanium content, the distribution of the titanium is of significant importance, as is the ratio and distribution of additional doping elements, such as fluorine. In the method, fluorine-doped TiO2—SiO2 soot particles are generated and processed further via consolidation and vitrifying into the blank, and, by flame hydrolysis of input substances containing silicon and titanium, TiO2—SiO2-soot particles are formed, exposed to a reagent containing fluorine in a moving powder bed, and converted to the fluorine-doped TiO2—SiO2-soot particles.
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公开(公告)号：US20170160465A1
公开(公告)日：2017-06-08
申请号：US15435679
申请日：2017-02-17
申请人： Corning Incorporated
发明人： Dana Craig Bookbinder , Ming-Jun LI , Hazel Benton Matthews, III , Snigdharaj Kumar Mishra , Pushkar Tandon
IPC分类号： G02B6/02 , C03B37/018 , C03C3/06 , G02B6/036 , C03C13/04
CPC分类号： G02B6/02019 , C03B37/01446 , C03B37/01453 , C03B37/018 , C03B37/01846 , C03B2201/08 , C03B2201/12 , C03B2201/20 , C03B2203/22 , C03B2203/23 , C03B2207/32 , C03C3/06 , C03C13/045 , C03C13/046 , C03C2201/11 , C03C2201/12 , C03C2213/00 , G02B6/02009 , G02B6/02238 , G02B6/02395 , G02B6/03627 , G02B6/0365
摘要： An optical fiber with large effective area, low bending loss and low attenuation. The optical fiber includes a core, an inner cladding region, and an outer cladding region. The core region includes a spatially uniform updopant to minimize low Rayleigh scattering and a relative refractive index and radius configured to provide large effective area. The inner cladding region features a large trench volume to minimize bending loss. The core may be doped with Cl and the inner cladding region may be doped with F.
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