FR2254035B1 - - Google Patents

Info

Publication number
FR2254035B1
FR2254035B1 FR7343389A FR7343389A FR2254035B1 FR 2254035 B1 FR2254035 B1 FR 2254035B1 FR 7343389 A FR7343389 A FR 7343389A FR 7343389 A FR7343389 A FR 7343389A FR 2254035 B1 FR2254035 B1 FR 2254035B1
Authority
FR
France
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
Application number
FR7343389A
Other languages
French (fr)
Other versions
FR2254035A1 (en
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.)
Marie G R P
Original Assignee
Marie G R P
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 Marie G R P filed Critical Marie G R P
Priority to FR7343389A priority Critical patent/FR2254035A1/en
Priority to DE19742454586 priority patent/DE2454586B2/en
Priority to JP49140101A priority patent/JPS5091337A/ja
Publication of FR2254035A1 publication Critical patent/FR2254035A1/en
Application granted granted Critical
Publication of FR2254035B1 publication Critical patent/FR2254035B1/fr
Granted 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
    • G02B6/02—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
    • G02B6/03694—Multiple layers differing in properties other than the refractive index, e.g. attenuation, diffusion, stress properties
    • 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
    • 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
    • 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
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
FR7343389A 1973-12-05 1973-12-05 Optical wave-guide for coherent light - contg. three glass layers, interference from sec. waves being eliminated Granted FR2254035A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7343389A FR2254035A1 (en) 1973-12-05 1973-12-05 Optical wave-guide for coherent light - contg. three glass layers, interference from sec. waves being eliminated
DE19742454586 DE2454586B2 (en) 1973-12-05 1974-11-18 Optical guide for coherent light and method of making the same
JP49140101A JPS5091337A (en) 1973-12-05 1974-12-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7343389A FR2254035A1 (en) 1973-12-05 1973-12-05 Optical wave-guide for coherent light - contg. three glass layers, interference from sec. waves being eliminated

Publications (2)

Publication Number Publication Date
FR2254035A1 FR2254035A1 (en) 1975-07-04
FR2254035B1 true FR2254035B1 (en) 1976-06-25

Family

ID=9128764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7343389A Granted FR2254035A1 (en) 1973-12-05 1973-12-05 Optical wave-guide for coherent light - contg. three glass layers, interference from sec. waves being eliminated

Country Status (3)

Country Link
JP (1) JPS5091337A (en)
DE (1) DE2454586B2 (en)
FR (1) FR2254035A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5559405A (en) * 1978-10-27 1980-05-02 Muneaki Okuyama Optical fiber having metal fiber or the like and production thereof
DE3619778C1 (en) * 1986-06-12 1988-01-07 Messerschmitt Boelkow Blohm Optical fiber for a data bus system

Also Published As

Publication number Publication date
JPS5091337A (en) 1975-07-22
DE2454586A1 (en) 1975-06-19
FR2254035A1 (en) 1975-07-04
DE2454586B2 (en) 1975-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse