FR2238679B1 - - Google Patents

Info

Publication number
FR2238679B1
FR2238679B1 FR7327486A FR7327486A FR2238679B1 FR 2238679 B1 FR2238679 B1 FR 2238679B1 FR 7327486 A FR7327486 A FR 7327486A FR 7327486 A FR7327486 A FR 7327486A FR 2238679 B1 FR2238679 B1 FR 2238679B1
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
FR7327486A
Other languages
French (fr)
Other versions
FR2238679A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7327486A priority Critical patent/FR2238679B1/fr
Priority to FR7413707A priority patent/FR2267988B2/fr
Priority to DE19742433992 priority patent/DE2433992C3/en
Priority to GB3309974A priority patent/GB1440726A/en
Publication of FR2238679A1 publication Critical patent/FR2238679A1/fr
Application granted granted Critical
Publication of FR2238679B1 publication Critical patent/FR2238679B1/fr
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
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • 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
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of 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
    • C03C4/00—Compositions for glass with special properties
    • C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • G02F2/02—Frequency-changing of light, e.g. by quantum counters
FR7327486A 1973-07-26 1973-07-26 Expired FR2238679B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7327486A FR2238679B1 (en) 1973-07-26 1973-07-26
FR7413707A FR2267988B2 (en) 1973-07-26 1974-04-19
DE19742433992 DE2433992C3 (en) 1973-07-26 1974-07-15 Process for the production of glass ceramics for the conversion of infrared into visible light
GB3309974A GB1440726A (en) 1973-07-26 1974-07-26 Rare earth composition for frequency conversion of radiation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7327486A FR2238679B1 (en) 1973-07-26 1973-07-26
FR7413707A FR2267988B2 (en) 1973-07-26 1974-04-19

Publications (2)

Publication Number Publication Date
FR2238679A1 FR2238679A1 (en) 1975-02-21
FR2238679B1 true FR2238679B1 (en) 1978-06-30

Family

ID=26217862

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7327486A Expired FR2238679B1 (en) 1973-07-26 1973-07-26
FR7413707A Expired FR2267988B2 (en) 1973-07-26 1974-04-19

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7413707A Expired FR2267988B2 (en) 1973-07-26 1974-04-19

Country Status (2)

Country Link
FR (2) FR2238679B1 (en)
GB (1) GB1440726A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8713698D0 (en) * 1987-06-11 1987-07-15 British Telecomm Glass compositions
US4936650A (en) * 1986-04-24 1990-06-26 British Telecommunications Public Limited Company Optical wave guides
CA1294802C (en) * 1986-06-04 1992-01-28 Benjamin J. Ainslie Optical waveguides and their manufacture
GB8724736D0 (en) * 1987-10-22 1987-11-25 British Telecomm Optical fibre
IT1256069B (en) * 1992-07-28 1995-11-27 Minnesota Mining & Mfg METHOD FOR RECORDING AND REPRODUCING THE IMAGE OF A RADIATION, APPARATUS USING THE METHOD, PANEL FOR STORING THE IMAGE OF A PHOTOSTIMULABLE PHOSPHORIC RADIATION
JP3411067B2 (en) * 1993-08-27 2003-05-26 株式会社住田光学ガラス Wavelength up-converting transparent glass-ceramics and method for producing the same
FR2714046B1 (en) * 1993-12-16 1996-03-08 France Telecom Glass-ceramic materials, in particular for lasers and optical amplifiers doped with rare earths and process for manufacturing such materials.

Also Published As

Publication number Publication date
GB1440726A (en) 1976-06-23
DE2433992B2 (en) 1976-09-30
FR2238679A1 (en) 1975-02-21
FR2267988B2 (en) 1981-09-11
DE2433992A1 (en) 1975-02-27
FR2267988A2 (en) 1975-11-14

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Legal Events

Date Code Title Description
CL Concession to grant licenses
TP Transmission of property