KR970026960A - 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법 - Google Patents
매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법 Download PDFInfo
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
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- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture 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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- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture 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]
- C03B37/018—Manufacture 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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01853—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical 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
- G02B6/03661—Optical 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 4 layers only
- G02B6/03666—Optical 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 4 layers only arranged - + - +
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- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
- C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/36—Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/80—Feeding the burner or the burner-heated deposition site
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/80—Feeding the burner or the burner-heated deposition site
- C03B2207/85—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid
- C03B2207/86—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid by bubbling a gas through the liquid
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Abstract
Description
Claims (6)
- 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법에 있어서, 석영관 외부에 산소와 수소버너로 1875도에서 1903도까지의 온도로 가열하고 원료인 SiCl45200mg/m, GeCl 430mg/m, POCl330mg/m, CF49cc/m를 공급하여 증착클래드를 증착하는 제1증착과정과, 상기 증착클래드부를 증착한 후 온도를 1900도로 일정하게 유지하고 원료인 SiCl43300mg/m, GeCl41150mg/m, POCl 20mg/m, O21500cc/m로 공급하여 환상 고리부를 증착하는 제2증착과정과, 상기 환상고리부를 증착한 후 온도를 1890도에서 1897도로 증가시키고 원료인 SiCl43800mg/m, GeCl4430mg/m, POCl410mg/m, CF47cc/m를 공급시켜 증착클래드부를 다시 증착하는 제3증착과정과, 상기 증착클래드부를 증착한 후 온도를 1920도에서 1890도로 9패스로 나누어 낮추어 가열할시 원료중 SiCl4유량을 9패스로 감소시켜 380mg/m에서 260mg/m으로 공급하고, GeCl4유량을 9패스로 증가시켜 20mg/m에서 195mg/m으로 공급하며 O2의 유량은 1500cc/m를 일정하게 공급시켜 코어부를 증착하는 제4증착과정과, 상기 코어부를 증착한 후 온도를 2300-2360도로 상기 증착 완성된 광섬유를 응축하여 밀봉직전에 CF430-40cc/m을 석영관에 공급하며, 2220-2250도에서 에칭한후 2350-2370도로 가열하면서 Cl2100cc/m를 석영관에 공급하여 밀봉하는 밀봉과정으로 이루어짐을 특징으로 하는 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법.
- 제1항에 있어서, 상기 코아부 증착 과정은, 온도를 1920도, 1916도, 1913도, 1909도, 1906도, 1901도, 1897도, 1894도, 1890도의 9패스로 감소시키고, 원료인 SiCl4를 380mg/m, 365mg/m, 350mg/m, 335mg/m, 320mg/m, 305mg/m, 290mg/m, 275mg/m, 260mg/m으로 9패스로서 상기 온도에 맞추어 감소시키고, GeCl4를 20mg/m, 52mg/m, 82mg/m, 109mg/m, 134mg/m, 156mg/m, 175mg/m, 191mg/m, 195mg/m으로 증가시킴을 특징으로 하는 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법.
- 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법에 있어서, 석영관 외부에 산소와 수소버너로 1875도에서 1903도까지의 온도로 가열하고 원료인 SiCl45200mg/m, GeCl4430mg/m, POCl330mg/m, CF49cc/m를 공급하여 증착클래드부를 증착하는 제1증착과정과, 상기 증착클래드부를 증착한 후 온도를 1900도로 일정하게 유지하고 원료인 SiCl43300mg/m, GeCl41150mg/m, POCl420mg/m, O21500cc/m로 공급하여 환상고리부를 증착하는 제2증착과정과, 상기 환상고리부를 증착한 후 온도를 1890도에서 1897도로 증가시키고 원료인 SiCl43800mg/m, GeCl4430mg/m, POCl210mg/m, CF47cc/m를 공급시켜 증착클래드부를 다시 증착하는 제3증착과정과, 상기 증착클래드부를 증착한 후 온도를 1905도에서 1890도로 9패스로 나누어 낮추어 가열할시 원료중 SiCl4유량을 9패스로 감소시켜 300mg/m에서 260mg/m으로 공급하고, GeCl4유량을 9패스로 증가시켜 20mg/m에서 195mg/m으로 공급하며 O2의 유량은 1500mg/m 200mg/m를 일정하게 공급시켜 코어부를 증착하는 제4증착과정과, 상기 코어부를 증착한 후 온도를 2300-2360도로 상기 증착 완성된 광섬유를 응축하여 밀봉직전에 CF430-40cc/m을 석영관에 공급하며, 2220-2250도에서 에칭한후 2350-2370도로 가열하면서 Cl4100cc/m를 석영관에 공급하며 밀봉하는 밀봉과정으로 이루어짐을 특징으로 하는 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법.
- 제3항에 있어서, 상기 코아부 증착 과정은, 온도를 1905도, 1903도, 1900도, 1898도, 1895도, 1893도, 18907도, 1890도, 1890도의 9패스로 감소시키고, 원료인 SiCl4를 300mg/m, 295mg/m, 290mg/m, 285mg/m, 280mg/m, 275mg/m, 270mg/m, 265mg/m, 260mg/m으로 9패스로서 상기 온도에 맞추어 감소시키고, GeCl4를 20mg/m, 42mg/m, 67mg/m, 92mg/m, 116mg/m, 138mg/m, 160mg/m, 182mg/m, 195mg/m으로 증가시킴을 특징으로 하는 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법.
- 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법에 있어서, 석영관 외부에 산소와 수소버너로 1875도에서 1903도까지의 온도로 가열하고 원료인 SiCl45200mg/m, GeCl4430mg/m, POCl330mg/m, CF49cc/m를 공급하여 증착클래드를 증착하는 제1증착과정과, 상기 증착클래드부를 증착한 후 온도를 1900도로 일정하게 유지하고 원료인 SiCl43300mg/m, GeCl41150mg/m, POCl₃ 20mg/m, O21500cc/m로 공급하여 환상고리부를 증착하는 제2증착과정과, 상기 환상고리부를 증착한 후 온도를 1890도에서 1897도로 증가시키고 원료인 SiCl₄3800mg/m, GeCl₄ 430mg/m, POCl310mg/m, CF47cc/m를 공급시켜 증착클래드부를 다시 증착하는 제3증착과정과, 상기 증착클래드부를 증착한 후 온도를 1905도에서 1890도로 9패스로 나누어 낮추어 가열할시 원료중 SiCl4유량을 9패스로 감소시켜 300mg/m에서 260mg/m으로 공급하고, GeCl4유량을 9패스로 증가시켜 30mg/m에서 195mg/m으로 공급하며 O4의 유량은 1500cc/m 200mg/m를 일정하게 공급시켜 코어부를 증착하는 제4증착과정과, 상기 코어부를 증착한 후 온도를 2300-2360도로 상기 증착 완성된 광섬유를 응축하여 밀봉직전에 CF430-40cc/m을 석영관에 공급하며, 2220-2250도에서 에칭한후 2350-2370도로 가열하면서 Cl2100cc/m를 밀봉하는 밀봉과정으로 이루어짐을 특징으로 하는 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법.
- 제5항에 있어서, 상기 코아부 증착 과정은, 온도를 1905도, 1903도, 1900도, 1898도, 1895도, 1893도, 18907도, 1890도, 1890도의 9패스로 감소시키고, 원료인 SiCl₄를 300mg/m, 295mg/m, 290mg/m, 285mg/m, 280mg/m, 275mg/m, 270mg/m, 265mg/m, 260mg/m으로 9패스로서 상기 온도에 맞추어 감소시키고, GeCl4를 30mg/m, 55mg/m, 78mg/m, 101mg/m, 123mg/m, 144mg/m, 165mg/m, 184mg/m, 195mg/m으로 증가시킴을 특징으로 하는 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
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KR1019950040089A KR0153835B1 (ko) | 1995-11-07 | 1995-11-07 | 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법 |
GBGB9622057.9A GB9622057D0 (en) | 1995-11-07 | 1996-10-23 | Method of fabricating dispersion mobile optical fibre with smooth annular ring refractive index profile |
RU96121510A RU2120917C1 (ru) | 1995-11-07 | 1996-11-05 | Способ изготовления дисперсного подвижного оптического световода (варианты) |
GB9623078A GB2306955B (en) | 1995-11-07 | 1996-11-06 | Method of fabricating dispersion shifted optical fibre with smooth annular ring refractive index profile |
DE19645754A DE19645754B4 (de) | 1995-11-07 | 1996-11-06 | Verfahren zur Herstellung von Vorformen für Lichtleitfasern, deren Brechungsindices ein Gradientenprofil aufweisen |
US08/745,123 US5761366A (en) | 1995-11-07 | 1996-11-07 | Optical fiber with smooth core refractive index profile and method of fabrication |
CN96121936A CN1096428C (zh) | 1995-11-07 | 1996-11-07 | 具有平滑环状折射率分布的分散移动光导纤维的制造方法 |
FR9613604A FR2740769B1 (fr) | 1995-11-07 | 1996-11-07 | Procede de fabrication d'une fibre optique mobile de dispersion presentant un profil d'indice de refraction en bague annulaire doux |
JP8295502A JP2965520B2 (ja) | 1995-11-07 | 1996-11-07 | 分散移動光ファイバの製造方法 |
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KR1019950040089A KR0153835B1 (ko) | 1995-11-07 | 1995-11-07 | 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법 |
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KR970026960A true KR970026960A (ko) | 1997-06-24 |
KR0153835B1 KR0153835B1 (ko) | 1998-11-16 |
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US (1) | US5761366A (ko) |
JP (1) | JP2965520B2 (ko) |
KR (1) | KR0153835B1 (ko) |
CN (1) | CN1096428C (ko) |
DE (1) | DE19645754B4 (ko) |
FR (1) | FR2740769B1 (ko) |
GB (2) | GB9622057D0 (ko) |
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Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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KR19990038607A (ko) | 1997-11-06 | 1999-06-05 | 윤종용 | 다단계 코아 구조를 가지는 단일모드 광섬유 |
US6109065A (en) * | 1998-04-22 | 2000-08-29 | Lucent Technologies, Inc. | Method of making optical waveguide devices using perchloryl fluoride to make soot |
DE19839870A1 (de) * | 1998-09-02 | 2000-03-09 | Deutsche Telekom Ag | Optische Single-Mode-Lichtleitfaser |
US6718800B2 (en) | 1999-03-08 | 2004-04-13 | Fitel Usa Corp. | Method of collapsing a tube for an optical fiber preform |
KR100334820B1 (ko) | 1999-07-22 | 2002-05-02 | 윤종용 | 분산제어 광섬유 및 그 대구경 모재의 제조 방법 |
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-
1995
- 1995-11-07 KR KR1019950040089A patent/KR0153835B1/ko not_active IP Right Cessation
-
1996
- 1996-10-23 GB GBGB9622057.9A patent/GB9622057D0/en active Pending
- 1996-11-05 RU RU96121510A patent/RU2120917C1/ru not_active IP Right Cessation
- 1996-11-06 DE DE19645754A patent/DE19645754B4/de not_active Expired - Fee Related
- 1996-11-06 GB GB9623078A patent/GB2306955B/en not_active Expired - Fee Related
- 1996-11-07 JP JP8295502A patent/JP2965520B2/ja not_active Expired - Fee Related
- 1996-11-07 US US08/745,123 patent/US5761366A/en not_active Expired - Lifetime
- 1996-11-07 FR FR9613604A patent/FR2740769B1/fr not_active Expired - Lifetime
- 1996-11-07 CN CN96121936A patent/CN1096428C/zh not_active Expired - Lifetime
Also Published As
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US5761366A (en) | 1998-06-02 |
CN1096428C (zh) | 2002-12-18 |
GB2306955A (en) | 1997-05-14 |
GB2306955B (en) | 1998-01-07 |
JPH09175829A (ja) | 1997-07-08 |
GB9622057D0 (en) | 1996-12-18 |
RU2120917C1 (ru) | 1998-10-27 |
CN1161458A (zh) | 1997-10-08 |
KR0153835B1 (ko) | 1998-11-16 |
GB9623078D0 (en) | 1997-01-08 |
DE19645754B4 (de) | 2006-02-23 |
DE19645754A1 (de) | 1997-06-05 |
FR2740769A1 (fr) | 1997-05-09 |
GB2306955A8 (en) | 1997-11-18 |
FR2740769B1 (fr) | 1998-01-23 |
JP2965520B2 (ja) | 1999-10-18 |
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