JPS5792543A - Preparation of optical glass part - Google Patents

Preparation of optical glass part

Info

Publication number
JPS5792543A
JPS5792543A JP16782080A JP16782080A JPS5792543A JP S5792543 A JPS5792543 A JP S5792543A JP 16782080 A JP16782080 A JP 16782080A JP 16782080 A JP16782080 A JP 16782080A JP S5792543 A JPS5792543 A JP S5792543A
Authority
JP
Japan
Prior art keywords
refractive index
dopant
changing
silicic acid
gelatinized
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.)
Pending
Application number
JP16782080A
Other languages
Japanese (ja)
Inventor
Shiro Kurosaki
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP16782080A priority Critical patent/JPS5792543A/en
Priority to US06/301,896 priority patent/US4436542A/en
Priority to CA000385701A priority patent/CA1172045A/en
Priority to GB8127832A priority patent/GB2084990B/en
Priority to DE19813136837 priority patent/DE3136837A1/en
Publication of JPS5792543A publication Critical patent/JPS5792543A/en
Pending legal-status Critical Current

Links

Classifications

    • 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]
    • C03B37/016—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 a liquid phase reaction process, e.g. through a gel phase
    • 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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0095—Solution impregnating; Solution doping; Molecular stuffing, e.g. of porous glass
    • 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
    • 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
    • C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
  • Silicon Compounds (AREA)

Abstract

PURPOSE:To prepare an optical glass part capable of changing the refractive index in the radial direction, by adding a dopant capable of changing the refractive index to an aqueous solution containing silicic acid, gelatinizing the resultant mixture, and eluting the dopant from the resultant porous gelatinized material by the leaching method. CONSTITUTION:A given amount of a nitrate, sulfite, carbonate, etc. of Tl, Cs, Rb, etc. convertible into an oxide dopant capable of changing the refractive index is added to an acidic or alkaline aqueous solution containing silicic acid in a cylindrical container. The resultant mixture is then neutralized with an alkali or acid to adjust the pH to 4-6, gelatinize the contained silicic acid and form a gelatinized material containing a cylindrical porous silica as a skeleton. The formed cylindrical material is then leached with a solvent, e.g. water, alcohol or ketone, to elute ions of the Tl, Cs, Rb, etc. in the dopant composition suitably and give a porous gelatinized siliceous material in which the refractive index is changed in the radial direction. The solvent, etc. is then removed from the material, and the micropores are eliminated to form a transparent rod-like lens.
JP16782080A 1980-09-16 1980-11-27 Preparation of optical glass part Pending JPS5792543A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP16782080A JPS5792543A (en) 1980-11-27 1980-11-27 Preparation of optical glass part
US06/301,896 US4436542A (en) 1980-09-16 1981-09-11 Process for the production of an optical glass article
CA000385701A CA1172045A (en) 1980-09-16 1981-09-11 Process for the production of an optical glass article
GB8127832A GB2084990B (en) 1980-09-16 1981-09-15 Producing graded index optical glass articles from doped silica gel bodies
DE19813136837 DE3136837A1 (en) 1980-09-16 1981-09-16 Optical glass object with a spatial refractive index distribution, process for the production thereof, and the use thereof as light-refracting element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16782080A JPS5792543A (en) 1980-11-27 1980-11-27 Preparation of optical glass part

Publications (1)

Publication Number Publication Date
JPS5792543A true JPS5792543A (en) 1982-06-09

Family

ID=15856696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16782080A Pending JPS5792543A (en) 1980-09-16 1980-11-27 Preparation of optical glass part

Country Status (1)

Country Link
JP (1) JPS5792543A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6042239A (en) * 1983-08-12 1985-03-06 Hitachi Ltd Manufacture of glass body having refractive index distribution

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742547A (en) * 1980-08-25 1982-03-10 Nippon Telegr & Teleph Corp <Ntt> Preparation of optical glass part

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742547A (en) * 1980-08-25 1982-03-10 Nippon Telegr & Teleph Corp <Ntt> Preparation of optical glass part

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6042239A (en) * 1983-08-12 1985-03-06 Hitachi Ltd Manufacture of glass body having refractive index distribution

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