JPS56155041A - Step-type optical transmitter - Google Patents

Step-type optical transmitter

Info

Publication number
JPS56155041A
JPS56155041A JP5460580A JP5460580A JPS56155041A JP S56155041 A JPS56155041 A JP S56155041A JP 5460580 A JP5460580 A JP 5460580A JP 5460580 A JP5460580 A JP 5460580A JP S56155041 A JPS56155041 A JP S56155041A
Authority
JP
Japan
Prior art keywords
optical transmitter
na2o
sio2
bao
rb2o
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP5460580A
Other languages
Japanese (ja)
Other versions
JPS6010000B2 (en
Inventor
Yoshiro Ikeda
Ryoichi Kaite
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass Co Ltd
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
Application filed by Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP55054605A priority Critical patent/JPS6010000B2/en
Publication of JPS56155041A publication Critical patent/JPS56155041A/en
Publication of JPS6010000B2 publication Critical patent/JPS6010000B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • C03C13/046—Multicomponent glass compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Glass Compositions (AREA)

Abstract

PURPOSE:An optical transmitter whose core part is composed of a specified proportion of SiO2, ZrO2, B2O3, BaO, Na2O and so on, thus having high water resistance, large numerical sperture and low optical loss. CONSTITUTION:An optical transmitter is prepared so that the core part has the following composition in percent by weight: SiO2, 15-40; ZrO2, 8-17; B2O3, 5-15; BaO, 30-45; Na2O, 3-15, as essential components; and additionally at least one selected from GeO2, 0-30; TiO2, 0-3; Al2O3, 0-5; La2O3, 0-5; MgO, 0-5; CaO, 0-7; ZnO, 0-7; SrO, 0-5, Li2O, 0-8; K2O, 0-10; Rb2O, 0-5; Cs2O, 0-8 wherein SiO2+GeO2, 15-50; Zr2O+BaO, 38-55; Na2O+Li2O+ K2O+Rb2O+Cs2O, 5-15 and MgO+CaO+ZnO+SrO+TiO2+Al2O3+La2O3, 0-12.
JP55054605A 1980-04-24 1980-04-24 Step type optical transmission body Expired JPS6010000B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55054605A JPS6010000B2 (en) 1980-04-24 1980-04-24 Step type optical transmission body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55054605A JPS6010000B2 (en) 1980-04-24 1980-04-24 Step type optical transmission body

Publications (2)

Publication Number Publication Date
JPS56155041A true JPS56155041A (en) 1981-12-01
JPS6010000B2 JPS6010000B2 (en) 1985-03-14

Family

ID=12975361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55054605A Expired JPS6010000B2 (en) 1980-04-24 1980-04-24 Step type optical transmission body

Country Status (1)

Country Link
JP (1) JPS6010000B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6270245A (en) * 1985-09-20 1987-03-31 Hoya Corp Optical fiber having environmental resistance
WO2009096533A1 (en) * 2008-01-31 2009-08-06 Ohara Inc. Optical glass and core material for optical fiber
JP6163620B1 (en) * 2017-04-05 2017-07-12 株式会社住田光学ガラス Optical glass and optical element

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62133198A (en) * 1985-11-30 1987-06-16 神崎製紙株式会社 Method for processing paper sheet
US4973441A (en) * 1989-07-26 1990-11-27 Beloit Corporation Method of manufacturing a compressibility gradient in paper

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6270245A (en) * 1985-09-20 1987-03-31 Hoya Corp Optical fiber having environmental resistance
WO2009096533A1 (en) * 2008-01-31 2009-08-06 Ohara Inc. Optical glass and core material for optical fiber
JP2009179535A (en) * 2008-01-31 2009-08-13 Ohara Inc Optical glass and core material for optical fiber
CN103466936A (en) * 2008-01-31 2013-12-25 株式会社小原 Optical glass and core material for optical fiber
JP6163620B1 (en) * 2017-04-05 2017-07-12 株式会社住田光学ガラス Optical glass and optical element
WO2018185946A1 (en) * 2017-04-05 2018-10-11 株式会社住田光学ガラス Optical glass and optical element
JP2018177561A (en) * 2017-04-05 2018-11-15 株式会社住田光学ガラス Optical glass and optical element
CN110392673A (en) * 2017-04-05 2019-10-29 株式会社住田光学玻璃 Optical glass and optical element

Also Published As

Publication number Publication date
JPS6010000B2 (en) 1985-03-14

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