SE443241B - Optisk vagledare med en kerna med radiellt varierande brytningsprofil samt forfarande for dess framstellning - Google Patents

Optisk vagledare med en kerna med radiellt varierande brytningsprofil samt forfarande for dess framstellning

Info

Publication number: SE443241B
Authority: SE; Sweden
Prior art keywords: core; refractive index; waveguide; glass; profile
Prior art date: 1978-03-03

Application number

SE7901822A

Other languages

English (en)

Swedish (sv)

Other versions

SE7901822L (sv

Inventor

R Olshansky

Original Assignee

Corning Glass Works

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.)

1978-03-03

Filing date

1979-02-28

Publication date

1986-02-17

1979-02-28 Application filed by Corning Glass Works filed Critical Corning Glass Works

1979-09-04 Publication of SE7901822L publication Critical patent/SE7901822L/xx

1986-02-17 Publication of SE443241B publication Critical patent/SE443241B/sv

Links

230000003287 optical effect Effects 0.000 title claims description 25
238000000034 method Methods 0.000 title claims description 9
238000004519 manufacturing process Methods 0.000 title description 7
238000005057 refrigeration Methods 0.000 title 1
239000006185 dispersion Substances 0.000 claims description 53
150000001875 compounds Chemical class 0.000 claims description 17
238000007496 glass forming Methods 0.000 claims description 12
239000011248 coating agent Substances 0.000 claims description 5
238000000576 coating method Methods 0.000 claims description 5
238000009434 installation Methods 0.000 claims description 3
239000000463 material Substances 0.000 claims description 3
230000015572 biosynthetic process Effects 0.000 claims description 2
230000003595 spectral effect Effects 0.000 claims description 2
238000010438 heat treatment Methods 0.000 claims 1
239000011162 core material Substances 0.000 description 21
YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical group O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 20
239000011521 glass Substances 0.000 description 16
239000002019 doping agent Substances 0.000 description 15
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
239000000203 mixture Substances 0.000 description 12
238000004458 analytical method Methods 0.000 description 8
239000012159 carrier gas Substances 0.000 description 7
239000007788 liquid Substances 0.000 description 7
239000000377 silicon dioxide Substances 0.000 description 7
239000000835 fiber Substances 0.000 description 6
239000013307 optical fiber Substances 0.000 description 6
PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 6
230000006978 adaptation Effects 0.000 description 5
238000013461 design Methods 0.000 description 5
JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 5
238000004891 communication Methods 0.000 description 4
239000007789 gas Substances 0.000 description 4
238000005259 measurement Methods 0.000 description 4
239000000843 powder Substances 0.000 description 4
229910052810 boron oxide Inorganic materials 0.000 description 3
239000000470 constituent Substances 0.000 description 3
230000000694 effects Effects 0.000 description 3
230000009467 reduction Effects 0.000 description 3
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
229910052796 boron Inorganic materials 0.000 description 2
239000005388 borosilicate glass Substances 0.000 description 2
239000000919 ceramic Substances 0.000 description 2
230000008859 change Effects 0.000 description 2
238000009826 distribution Methods 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
230000006872 improvement Effects 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000005368 silicate glass Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
ZPEFXARQZVAHGO-RYRYQYGESA-N (2r,3s,4r,5s,6r)-4-amino-2-[(2r,3s,4r,5s,6r)-4-amino-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-(hydroxymethyl)oxane-3,5-diol Chemical compound O[C@H]1[C@H](N)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](O)[C@H](N)[C@H](O)[C@@H](CO)O1 ZPEFXARQZVAHGO-RYRYQYGESA-N 0.000 description 1
235000005749 Anthriscus sylvestris Nutrition 0.000 description 1
229910015844 BCl3 Inorganic materials 0.000 description 1
229910005793 GeO 2 Inorganic materials 0.000 description 1
101100007718 Mus musculus Crisp1 gene Proteins 0.000 description 1
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
239000002419 bulk glass Substances 0.000 description 1
238000012937 correction Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000012634 fragment Substances 0.000 description 1
229910052732 germanium Inorganic materials 0.000 description 1
GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
230000000171 quenching effect Effects 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
239000004071 soot Substances 0.000 description 1
238000010561 standard procedure Methods 0.000 description 1
239000007858 starting material Substances 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1

Classifications

- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- 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]
- C03B37/01413—Reactant delivery systems
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
- C—CHEMISTRY; METALLURGY
- 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
- 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
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Materials Engineering (AREA)
Dispersion Chemistry (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Manufacturing & Machinery (AREA)
General Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Optical Integrated Circuits (AREA)
Glass Compositions (AREA)
Manufacture, Treatment Of Glass Fibers (AREA)
Waveguides (AREA)
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

SE7901822A 1978-03-03 1979-02-28 Optisk vagledare med en kerna med radiellt varierande brytningsprofil samt forfarande for dess framstellning SE443241B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/883,214 US4222631A (en)	1978-03-03	1978-03-03	Multicomponent optical waveguide having index gradient

Publications (2)

Publication Number	Publication Date
SE7901822L SE7901822L (sv)	1979-09-04
SE443241B true SE443241B (sv)	1986-02-17

Family

ID=25382199

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7901822A SE443241B (sv)	1978-03-03	1979-02-28	Optisk vagledare med en kerna med radiellt varierande brytningsprofil samt forfarande for dess framstellning

Country Status (20)

Country	Link
US (1)	US4222631A (it)
JP (1)	JPS5831561B2 (it)
AT (1)	AT387096B (it)
AU (1)	AU512838B2 (it)
BE (1)	BE874586A (it)
BR (1)	BR7901287A (it)
CA (2)	CA1124118A (it)
CH (2)	CH639495A5 (it)
DE (1)	DE2907402C2 (it)
DK (1)	DK147896C (it)
ES (4)	ES478250A1 (it)
FI (1)	FI76890C (it)
FR (1)	FR2418939A1 (it)
IL (2)	IL63228A (it)
IN (2)	IN151417B (it)
IT (1)	IT1111144B (it)
NL (1)	NL182754C (it)
NO (1)	NO155027C (it)
SE (1)	SE443241B (it)
YU (1)	YU51879A (it)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4406517A (en) *	1979-01-02	1983-09-27	Corning Glass Works	Optical waveguide having optimal index profile for multicomponent nonlinear glass
FR2529191B2 (fr) *	1980-07-31	1985-11-29	France Etat	Fibres optiques et procede de fabrication de celles-ci
JPS6320158U (it) *	1986-07-23	1988-02-09
US5030217A (en) *	1988-04-14	1991-07-09	Heraeus Lasersonics, Inc.	Medical laser probe and method of delivering CO2 radiation
US4911712A (en) *	1988-04-14	1990-03-27	Heraeus Lasersonics, Inc.	Medical laser probe
EP1107027B1 (en) *	1999-04-13	2011-10-12	Sumitomo Electric Industries, Ltd.	Optical fiber and optical communication system comprising the same
NL1024015C2 (nl) *	2003-07-28	2005-02-01	Draka Fibre Technology Bv	Multimode optische vezel voorzien van een brekingsindexprofiel, optisch communicatiesysteem onder toepassing daarvan en werkwijze ter vervaardiging van een dergelijke vezel.
US7315677B1 (en)	2006-09-14	2008-01-01	Corning Incorporated	Dual dopant dual alpha multimode optical fiber
FR2932932B1 (fr) *	2008-06-23	2010-08-13	Draka Comteq France Sa	Systeme optique multiplexe en longueur d'ondes avec fibres optiques multimodes
FR2933779B1 (fr)	2008-07-08	2010-08-27	Draka Comteq France	Fibres optiques multimodes
FR2940839B1 (fr)	2009-01-08	2012-09-14	Draka Comteq France	Fibre optique multimodale a gradient d'indice, procedes de caracterisation et de fabrication d'une telle fibre
FR2946436B1 (fr) *	2009-06-05	2011-12-09	Draka Comteq France	Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
US20110054862A1 (en) *	2009-09-02	2011-03-03	Panduit Corp.	Multimode Fiber Having Improved Reach
FR2953605B1 (fr) *	2009-12-03	2011-12-16	Draka Comteq France	Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953030B1 (fr) *	2009-11-25	2011-11-18	Draka Comteq France	Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
FR2957153B1 (fr) *	2010-03-02	2012-08-10	Draka Comteq France	Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953606B1 (fr) *	2009-12-03	2012-04-27	Draka Comteq France	Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953029B1 (fr)	2009-11-25	2011-11-18	Draka Comteq France	Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
FR2949870B1 (fr) *	2009-09-09	2011-12-16	Draka Compteq France	Fibre optique multimode presentant des pertes en courbure ameliorees
US9014525B2 (en)	2009-09-09	2015-04-21	Draka Comteq, B.V.	Trench-assisted multimode optical fiber
FR2950156B1 (fr) *	2009-09-17	2011-11-18	Draka Comteq France	Fibre optique multimode
FR2966256B1 (fr)	2010-10-18	2012-11-16	Draka Comteq France	Fibre optique multimode insensible aux pertes par
FR2971061B1 (fr)	2011-01-31	2013-02-08	Draka Comteq France	Fibre optique a large bande passante et a faibles pertes par courbure
DK2482106T5 (da)	2011-01-31	2014-09-22	Draka Comteq Bv	Multimode-fiber
EP2503368A1 (en)	2011-03-24	2012-09-26	Draka Comteq B.V.	Multimode optical fiber with improved bend resistance
EP2506044A1 (en)	2011-03-29	2012-10-03	Draka Comteq B.V.	Multimode optical fiber
EP2518546B1 (en)	2011-04-27	2018-06-20	Draka Comteq B.V.	High-bandwidth, radiation-resistant multimode optical fiber
DK2541292T3 (en)	2011-07-01	2014-12-01	Draka Comteq Bv	A multimode optical fiber
US8965163B2 (en) *	2011-11-04	2015-02-24	Corning Incorporated	Ge-P co-doped multimode optical fiber
US8588568B2 (en)	2011-11-04	2013-11-19	Corning Incorporated	Bend loss resistant multi-mode fiber
US9329335B2 (en)	2014-01-31	2016-05-03	Ofs Fitel, Llc	Broadband multi-mode optical fibers with flat-zone in dopant concentration profile
US9804325B2 (en)	2014-01-31	2017-10-31	Ofs Fitel, Llc	Framework for the design of optimum and near-optimum broadband multi-mode optical fibers by core doping
CN113009619B (zh)	2015-04-15	2024-01-16	康宁股份有限公司	具有氟和氯共掺杂芯区域的低损耗光纤
US9964701B2 (en)	2016-06-15	2018-05-08	Corning Incorporated	Methods of manufacturing wide-band multi-mode optical fibers and core preforms for the same using specific fluorine doping parameter and 850 nm alpha profile
US11022750B2 (en)	2018-09-13	2021-06-01	Corning Incorporated	Wideband multimode co-doped optical fiber employing GeO2 and Al2O3 dopants

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3904268A (en) *	1974-11-15	1975-09-09	Corning Glass Works	Optical waveguide having optimal index gradient
US4033667A (en) *	1975-09-12	1977-07-05	Bell Telephone Laboratories, Incorporated	Multimode optical fiber
US4025156A (en) *	1975-09-12	1977-05-24	Bell Telephone Laboratories, Incorporated	Graded-index fiber for multimode optical communication
US4057320A (en) *	1976-07-26	1977-11-08	Bell Telephone Laboratories, Incorporated	Optical fiber waveguide having minimum modal dispersion
US4111525A (en) *	1976-10-12	1978-09-05	Bell Telephone Laboratories, Incorporated	Silica based optical fiber waveguide using phosphorus pentoxide and germanium dioxide

1978
- 1978-03-03 US US05/883,214 patent/US4222631A/en not_active Expired - Lifetime
- 1978-12-13 CA CA317,878A patent/CA1124118A/en not_active Expired
1979
- 1979-02-19 IL IL63228A patent/IL63228A/xx not_active IP Right Cessation
- 1979-02-19 IL IL56692A patent/IL56692A/xx unknown
- 1979-02-20 DK DK72379A patent/DK147896C/da not_active IP Right Cessation
- 1979-02-23 IN IN165/CAL/79A patent/IN151417B/en unknown
- 1979-02-26 DE DE2907402A patent/DE2907402C2/de not_active Expired
- 1979-02-26 AU AU44573/79A patent/AU512838B2/en not_active Ceased
- 1979-02-27 JP JP54022489A patent/JPS5831561B2/ja not_active Expired
- 1979-02-28 SE SE7901822A patent/SE443241B/sv not_active IP Right Cessation
- 1979-03-01 CH CH202179A patent/CH639495A5/de not_active IP Right Cessation
- 1979-03-01 AT AT0157579A patent/AT387096B/de not_active IP Right Cessation
- 1979-03-01 FR FR7905367A patent/FR2418939A1/fr active Granted
- 1979-03-02 BE BE0/193812A patent/BE874586A/xx not_active IP Right Cessation
- 1979-03-02 BR BR7901287A patent/BR7901287A/pt unknown
- 1979-03-02 IT IT20692/79A patent/IT1111144B/it active
- 1979-03-02 NO NO790719A patent/NO155027C/no unknown
- 1979-03-02 NL NLAANVRAGE7901679,A patent/NL182754C/xx not_active IP Right Cessation
- 1979-03-02 ES ES478250A patent/ES478250A1/es not_active Expired
- 1979-03-02 YU YU00518/79A patent/YU51879A/xx unknown
- 1979-03-02 FI FI790716A patent/FI76890C/fi not_active IP Right Cessation
- 1979-06-13 ES ES481541A patent/ES481541A1/es not_active Expired
- 1979-06-13 ES ES481539A patent/ES481539A1/es not_active Expired
- 1979-06-13 ES ES481540A patent/ES481540A1/es not_active Expired
1981
- 1981-08-12 CA CA383,770A patent/CA1126549A/en not_active Expired
1982
- 1982-05-24 IN IN598/CAL/82A patent/IN154809B/en unknown
1983
- 1983-06-15 CH CH329283A patent/CH643072A5/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
CH643072A5 (de)	1984-05-15
BR7901287A (pt)	1979-10-09
AU4457379A (en)	1979-09-06
DK72379A (da)	1979-09-04
IL56692A0 (en)	1979-05-31
NL182754C (nl)	1988-05-02
IL56692A (en)	1982-05-31
YU51879A (en)	1983-04-30
FR2418939B1 (it)	1983-11-04
IN154809B (it)	1984-12-15
BE874586A (fr)	1979-09-03
NO790719L (no)	1979-09-04
CA1124118A (en)	1982-05-25
NL7901679A (nl)	1979-09-05
DE2907402A1 (de)	1979-09-13
ES481540A1 (es)	1980-01-16
DE2907402C2 (de)	1983-08-04
DK147896C (da)	1985-07-15
AU512838B2 (en)	1980-10-30
AT387096B (de)	1988-11-25
FR2418939A1 (fr)	1979-09-28
ES478250A1 (es)	1979-11-16
FI76890C (fi)	1988-12-12
IN151417B (it)	1983-04-16
JPS5831561B2 (ja)	1983-07-07
CH639495A5 (de)	1983-11-15
FI76890B (fi)	1988-08-31
NO155027C (no)	1987-02-04
DK147896B (da)	1985-01-02
SE7901822L (sv)	1979-09-04
CA1126549A (en)	1982-06-29
ES481539A1 (es)	1980-01-16
IT1111144B (it)	1986-01-13
ES481541A1 (es)	1980-01-16
IT7920692A0 (it)	1979-03-02
IL63228A0 (en)	1981-10-30
US4222631A (en)	1980-09-16
FI790716A7 (fi)	1979-09-04
IL63228A (en)	1982-11-30
JPS54125045A (en)	1979-09-28
ATA157579A (de)	1988-04-15
NL182754B (nl)	1987-12-01
NO155027B (no)	1986-10-20

Legal Events

Date

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Title

Description

1995-01-31

NUG

Patent has lapsed

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Publication	Publication Date	Title
SE443241B (sv)	1986-02-17	Optisk vagledare med en kerna med radiellt varierande brytningsprofil samt forfarande for dess framstellning
US8184936B2 (en)	2012-05-22	Multi-mode bending-resistant fiber and production method thereof
Nagel et al.	1982	An overview of the modified chemical vapor deposition (MCVD) process and performance
CA1053043A (en)	1979-04-24	Multimode optical fiber
Ainslie et al.	2003	Interplay of design parameters and fabrication conditions on the performance of monomode fibers made by MCVD
US8200057B2 (en)	2012-06-12	Single-mode fiber and production method thereof
CA1050796A (en)	1979-03-20	Multimode optical fiber waveguide with graded refractive index
US4406517A (en)	1983-09-27	Optical waveguide having optimal index profile for multicomponent nonlinear glass
MacChesney et al.	1990	Materials development of optical fiber
Lazay et al.	2003	Developments in single-mode fiber design, materials, and performance at Bell Laboratories
US4478622A (en)	1984-10-23	Method of making multicomponent optical waveguide having index gradient
CA1122079A (en)	1982-04-20	Manufacture of monomode fibers
Payne et al.	1975	A borosilicate-cladded phosphosilicate-core optical fibre
KR860001669B1 (ko)	1986-10-16	그레디언트 인덱스 광도파관 제조방법
CA1246875A (en)	1988-12-20	Process for eliminating the axial refractive index depression in optical fibres
KR860001670B1 (ko)	1986-10-16	광 도 파 관
Inagaki et al.	1981	Recent progress in VAD fiber fabrication process
KR830000656B1 (ko)	1983-03-25	광 도 파 관
Ghigo et al.	1986	GeO [sub] 2 [/sub] Doped High NA Multimode Fibre Made By Pressurized MCVD
Tsujikawa et al.	2000	Mixed‐alkali effect on Rayleigh scattering in K2O–Na2O–MgO–SiO2 glasses
CN121554189A (zh)	2026-02-24	一种超低损耗光纤及其制备方法
JPH05105483A (ja)	1993-04-27	多成分酸化物ガラスおよびこれを用いた光フアイバ
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