RU2003102600A - METHOD FOR MANUFACTURING AN OPTICAL FIBER FABRIC AND A BURNER DEVICE FOR IMPLEMENTING THIS METHOD - Google Patents

METHOD FOR MANUFACTURING AN OPTICAL FIBER FABRIC AND A BURNER DEVICE FOR IMPLEMENTING THIS METHOD

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Publication number
RU2003102600A
RU2003102600A RU2003102600/28A RU2003102600A RU2003102600A RU 2003102600 A RU2003102600 A RU 2003102600A RU 2003102600/28 A RU2003102600/28 A RU 2003102600/28A RU 2003102600 A RU2003102600 A RU 2003102600A RU 2003102600 A RU2003102600 A RU 2003102600A
Authority
RU
Russia
Prior art keywords
gas
channel
optical fiber
gaseous material
source
Prior art date
Application number
RU2003102600/28A
Other languages
Russian (ru)
Other versions
RU2243944C2 (en
Inventor
Манабу САИТОУ
Масахиро ХОРИКОСИ
Original Assignee
Фудзикура Лтд.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2002025373A external-priority patent/JP2003226543A/en
Application filed by Фудзикура Лтд. filed Critical Фудзикура Лтд.
Publication of RU2003102600A publication Critical patent/RU2003102600A/en
Application granted granted Critical
Publication of RU2243944C2 publication Critical patent/RU2243944C2/en

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Claims (4)

1. Способ изготовления заготовки оптического волокна, содержащий этапы, на которых синтезируют частицы стекла в кислородно-водородном пламени горелки, оборудованной, по меньшей мере, первым каналом, через который поступает исходный газообразный материал или газовая смесь, состоящая из исходного газообразного материала и добавочного газа, расположенным в центре, и вторым каналом, через который поступает инертный газ, расположенным вокруг первого канала и имеющим общую центральную ось с первым каналом, изготавливают пористую заготовку оптического волокна путем осаждения частиц стекла в радиальном направлении на внешнюю поверхность исходного элемента и спекают пористую заготовку оптического волокна, при этом соотношение между скоростью течения vm (м/с) исходного газообразного материала или газовой смеси, состоящей из исходного газообразного материала и добавочного газа, поступающего(ей) из горелки, и скоростью течения vs (м/с) инертного газа имеет вид1. A method of manufacturing an optical fiber preform, comprising the steps of synthesizing glass particles in an oxygen-hydrogen flame of a burner equipped with at least a first channel through which a source gaseous material or a gas mixture consisting of a source gaseous material and additional gas located in the center and the second channel through which an inert gas enters, located around the first channel and having a common central axis with the first channel, a porous preform is made about fiber by depositing particles of glass in the radial direction on the outer surface of the starting element and sintering the porous preform of the optical fiber, the ratio between the flow velocity vm (m / s) of the source gaseous material or gas mixture consisting of the source gaseous material and the additional gas entering (s) from the burner, and the flow velocity vs (m / s) of the inert gas has the form –0,06vm+1,4≤vs≤-0,02vm+1,8, и vs≥0,40.–0.06vm + 1.4≤vs≤-0.02vm + 1.8, and vs≥0.40. 2. Способ изготовления заготовки оптического волокна по п.1, в котором соотношение между объемным расходом Vm (л/мин) исходного газообразного материала и объемным расходом Vs (л/мин) инертного газа имеет вид2. The method of manufacturing the optical fiber preform according to claim 1, in which the ratio between the volumetric flow rate Vm (l / min) of the source gaseous material and the volumetric flow rate Vs (l / min) of inert gas has the form Vs/Vm≤0,2.Vs / Vm≤0.2. 3. Способ изготовления заготовки оптического волокна по п.1 или 2, в котором в качестве добавочного газа, добавляемого к исходному газообразному материалу, используют кислород или водород.3. A method of manufacturing an optical fiber preform according to claim 1 or 2, in which oxygen or hydrogen is used as the additive gas added to the source gaseous material. 4. Устройство горелки для изготовления заготовки оптического волокна, имеющее размеры газовых каналов, применимые к способу изготовления заготовки оптического волокна по п.1 или 2, и содержащее горелку, оборудованную, по меньшей мере, первым каналом, через который поступает исходный газообразный материал или газовая смесь, состоящая из исходного газообразного материала и добавочного газа, расположенным в центре, и вторым каналом, через который поступает инертный газ, расположенным вокруг первого канала и имеющим общую центральную ось с первым каналом, источник подачи газа, который подает в горелку исходный газообразный материал, горючий газ, газ, поддерживающий горение и инертный газ, и блок управления подачей газа, который управляет объемным расходом или скоростью течения этих газов.4. A burner device for manufacturing an optical fiber preform, having gas channel dimensions applicable to the method for manufacturing an optical fiber preform according to claim 1 or 2, and comprising a burner equipped with at least a first channel through which an initial gaseous material or gas a mixture consisting of a source of gaseous material and an additional gas located in the center and a second channel through which an inert gas enters around the first channel and having a common central axis with rvym channel, source gas supply which supplies a source material gas burner, the combustible gas, combustion supporting gas and an inert gas and gas supply control unit which controls the volumetric flow rate or flow velocity of these gases.
RU2003102600/28A 2002-02-01 2003-01-30 Method of production of optical fiber billet and design of torch to realize the method RU2243944C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002-025373 2002-02-01
JP2002025373A JP2003226543A (en) 2002-02-01 2002-02-01 Method of manufacturing optical fiber preform and burner apparatus for manufacturing optical fiber using the same

Publications (2)

Publication Number Publication Date
RU2003102600A true RU2003102600A (en) 2004-08-10
RU2243944C2 RU2243944C2 (en) 2005-01-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003102600/28A RU2243944C2 (en) 2002-02-01 2003-01-30 Method of production of optical fiber billet and design of torch to realize the method

Country Status (4)

Country Link
US (2) US7073354B2 (en)
JP (1) JP2003226543A (en)
CN (1) CN1276889C (en)
RU (1) RU2243944C2 (en)

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JP4498917B2 (en) * 2004-12-28 2010-07-07 株式会社フジクラ Method for producing glass rod
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JP5380018B2 (en) 2008-09-03 2014-01-08 株式会社フジクラ Optical fiber preform manufacturing method
JP5603024B2 (en) * 2009-01-20 2014-10-08 古河電気工業株式会社 Optical fiber preform manufacturing method
JP5658912B2 (en) 2010-05-27 2015-01-28 株式会社フジクラ Optical fiber preform manufacturing apparatus and manufacturing method
JP5748633B2 (en) * 2011-10-18 2015-07-15 信越化学工業株式会社 Burner for manufacturing porous glass base material and method for manufacturing porous glass base material
JP2014122141A (en) * 2012-12-21 2014-07-03 Shin Etsu Chem Co Ltd Burner for synthesizing glass fine particles, and production method of glass fine particle deposit
JP5904967B2 (en) * 2013-02-14 2016-04-20 信越化学工業株式会社 Burner for manufacturing porous glass base material
DE102013209673B3 (en) * 2013-05-24 2014-05-22 Heraeus Quarzglas Gmbh & Co. Kg Process and evaporator for the production of synthetic quartz glass
CN108545925B (en) * 2018-05-02 2020-10-27 成都富通光通信技术有限公司 Axial ultrathin layer wrapping process for preform rod
WO2022139041A1 (en) * 2020-12-24 2022-06-30 대한광통신 주식회사 Glass soot manufacturing method using multi-tube burner

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