DE3575475D1 - Lichtwellenleiter zur sendung von infrarotlicht. - Google Patents

Lichtwellenleiter zur sendung von infrarotlicht.

Info

Publication number
DE3575475D1
DE3575475D1 DE8585104311T DE3575475T DE3575475D1 DE 3575475 D1 DE3575475 D1 DE 3575475D1 DE 8585104311 T DE8585104311 T DE 8585104311T DE 3575475 T DE3575475 T DE 3575475T DE 3575475 D1 DE3575475 D1 DE 3575475D1
Authority
DE
Germany
Prior art keywords
infrared light
transmitting infrared
lightwave guide
lightwave
guide
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.)
Expired - Lifetime
Application number
DE8585104311T
Other languages
English (en)
Inventor
Masaru Ikedo
Masafumi Watari
Yoshiaki Hayashi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3575475D1 publication Critical patent/DE3575475D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/102—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type for infrared and ultraviolet radiation
    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
    • 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
    • C03C13/008—Polycrystalline optical fibres
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/12—Halides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
    • C30B29/62—Whiskers or needles
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/80—Non-oxide glasses or glass-type compositions
    • C03B2201/84—Halide glasses other than fluoride glasses, i.e. Cl, Br or I glasses, e.g. AgCl-AgBr "glass"

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
DE8585104311T 1984-08-02 1985-04-10 Lichtwellenleiter zur sendung von infrarotlicht. Expired - Lifetime DE3575475D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16310384A JPS6141105A (ja) 1984-08-02 1984-08-02 赤外用光フアイバ

Publications (1)

Publication Number Publication Date
DE3575475D1 true DE3575475D1 (de) 1990-02-22

Family

ID=15767226

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585104311T Expired - Lifetime DE3575475D1 (de) 1984-08-02 1985-04-10 Lichtwellenleiter zur sendung von infrarotlicht.

Country Status (4)

Country Link
US (1) US4678275A (de)
EP (1) EP0172988B1 (de)
JP (1) JPS6141105A (de)
DE (1) DE3575475D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL81690A0 (en) * 1986-03-15 1987-09-16 Sumitomo Electric Industries Crystalline optical fiber and its manufacture
JP2834290B2 (ja) * 1990-07-26 1998-12-09 松下電器産業株式会社 赤外光ファイバ
US5169421A (en) * 1990-09-15 1992-12-08 The Furukawa Electric Co., Ltd. Method of manufacturing silica glass optical waveguide preform
US5796903A (en) * 1992-07-06 1998-08-18 Infrared Fiber Systems, Inc. Heavy metal-oxide glass optical fibers for use in laser medical surgery and process of making
EP0854119A3 (de) * 1996-12-20 1998-11-18 Hoya Corporation Ätzmittel und Ätzverfahren für Chalcogenidglas und optisches Element mit einer glatten Oberfläche
US7504154B2 (en) * 2005-03-23 2009-03-17 Lockheed Martin Corporation Moisture barrier coatings for infrared salt optics
EP1791229A1 (de) * 2005-11-25 2007-05-30 Lambda Research Optics Europe Verfahren zur Reduzierung des thermischen Effekts einer Linse in einer Schneidemaschine
US10020235B2 (en) * 2016-11-01 2018-07-10 Lawrence Livermore National Security, Llc Selective surface treatment of thallium bromide (TLBR)-based detectors to improve longevity and/or restore operational capacity thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821642C3 (de) * 1977-05-24 1987-12-03 Hughes Aircraft Co., Culver City, Calif. Faser-Lichtwellenleiter und Verfahren zu dessen Herstellung
US4253731A (en) * 1979-04-09 1981-03-03 Honeywell Inc. Infrared fiber of AgCl clad AgBr and method of fabrication
US4293833A (en) * 1979-11-01 1981-10-06 Hughes Aircraft Company Millimeter wave transmission line using thallium bromo-iodide fiber
JPS6053844B2 (ja) * 1981-01-12 1985-11-27 住友電気工業株式会社 赤外用光フアイバ−とその製造方法
CA1170805A (en) * 1981-01-23 1984-07-17 Minoru Yokota Process for producing infrared light transmitting optical fiber

Also Published As

Publication number Publication date
US4678275A (en) 1987-07-07
EP0172988B1 (de) 1990-01-17
JPS6141105A (ja) 1986-02-27
EP0172988A1 (de) 1986-03-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee