FR2194975A1 - - Google Patents

Info

Publication number
FR2194975A1
FR2194975A1 FR7327657A FR7327657A FR2194975A1 FR 2194975 A1 FR2194975 A1 FR 2194975A1 FR 7327657 A FR7327657 A FR 7327657A FR 7327657 A FR7327657 A FR 7327657A FR 2194975 A1 FR2194975 A1 FR 2194975A1
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.)
Granted
Application number
FR7327657A
Other languages
French (fr)
Other versions
FR2194975B3 (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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2194975A1 publication Critical patent/FR2194975A1/fr
Application granted granted Critical
Publication of FR2194975B3 publication Critical patent/FR2194975B3/fr
Expired 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • 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
    • 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
    • C03B2203/12—Non-circular or non-elliptical cross-section, e.g. planar core
FR7327657A 1972-08-01 1973-07-27 Expired FR2194975B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2237820A DE2237820A1 (en) 1972-08-01 1972-08-01 COVERED FIBER OPERATING LOW ATTENUATION

Publications (2)

Publication Number Publication Date
FR2194975A1 true FR2194975A1 (en) 1974-03-01
FR2194975B3 FR2194975B3 (en) 1976-07-09

Family

ID=5852361

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327657A Expired FR2194975B3 (en) 1972-08-01 1973-07-27

Country Status (11)

Country Link
JP (1) JPS4954046A (en)
AT (1) ATA461373A (en)
AU (1) AU5748773A (en)
BE (1) BE803104A (en)
CH (1) CH556033A (en)
DE (1) DE2237820A1 (en)
FR (1) FR2194975B3 (en)
GB (1) GB1401398A (en)
IT (1) IT991384B (en)
LU (1) LU68116A1 (en)
NL (1) NL7310533A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306947A1 (en) * 1975-04-10 1976-11-05 Int Standard Electric Corp OPTICAL FIBER TRANSDUCERS AND SEGMENTS AS WELL AS THEIR MANUFACTURING PROCESS

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50119646A (en) * 1974-03-02 1975-09-19
JPS51151143A (en) * 1975-06-20 1976-12-25 Hitachi Ltd Optical filter device
US4057322A (en) * 1975-11-05 1977-11-08 International Telephone And Telegraph Corporation Precision surface optical fibers
US4260220A (en) * 1979-06-15 1981-04-07 Canadian Patents And Development Limited Prism light guide having surfaces which are in octature
JPH0652328B2 (en) * 1985-07-18 1994-07-06 株式会社潤工社 Dielectric line
FR2603995B1 (en) * 1986-09-12 1991-01-25 Centre Nat Rech Scient DEVICE FOR ACCURATE ASSEMBLY OF OPTICAL ELEMENTS IN PREDETERMINED POSITIONS, APPLICABLE IN PARTICULAR TO INTERFEROMETERS
US4787708A (en) * 1987-05-08 1988-11-29 Tir Systems Ltd. Apparatus for continuously controlled emission of light from prism light guide
JPH10203841A (en) * 1997-01-22 1998-08-04 Hoya Corp Production of glass preform and glass fiber
DE102017119798B4 (en) 2017-08-29 2022-12-01 J-Fiber Gmbh Method of manufacturing a fiberglass preform having a core with a polygonal core cross-section

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306947A1 (en) * 1975-04-10 1976-11-05 Int Standard Electric Corp OPTICAL FIBER TRANSDUCERS AND SEGMENTS AS WELL AS THEIR MANUFACTURING PROCESS

Also Published As

Publication number Publication date
NL7310533A (en) 1974-02-05
GB1401398A (en) 1975-07-16
LU68116A1 (en) 1973-10-23
BE803104A (en) 1973-12-03
CH556033A (en) 1974-11-15
FR2194975B3 (en) 1976-07-09
DE2237820A1 (en) 1974-02-14
IT991384B (en) 1975-07-30
JPS4954046A (en) 1974-05-25
ATA461373A (en) 1975-06-15
AU5748773A (en) 1975-01-09

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Legal Events

Date Code Title Description
ST Notification of lapse