FR2238679A1 - - Google Patents

Info

Publication number
FR2238679A1
FR2238679A1 FR7327486A FR7327486A FR2238679A1 FR 2238679 A1 FR2238679 A1 FR 2238679A1 FR 7327486 A FR7327486 A FR 7327486A FR 7327486 A FR7327486 A FR 7327486A FR 2238679 A1 FR2238679 A1 FR 2238679A1
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
FR7327486A
Other versions
FR2238679B1 (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.)
AUZEL FRANCOIS FR
Original Assignee
AUZEL FRANCOIS,FR
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 AUZEL FRANCOIS,FR filed Critical AUZEL FRANCOIS,FR
Priority to FR7327486A priority Critical patent/FR2238679B1/fr
Priority to FR7413707A priority patent/FR2267988B2/fr
Publication of FR2238679A1 publication Critical patent/FR2238679A1/fr
Application granted granted Critical
Publication of FR2238679B1 publication Critical patent/FR2238679B1/fr
Application status is Expired legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C10/00Devitrified 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
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C3/00Glass compositions
    • C03C3/12Silica-free oxide glass compositions
    • C03C3/23Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C4/00Compositions for glass with special properties
    • C03C4/12Compositions for glass with special properties for luminescent glass; for fluorescent glass
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50Shaped 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
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2/00Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • G02F2/02Frequency-changing of light, e.g. by quantum counters
FR7327486A 1973-07-26 1973-07-26 Expired FR2238679B1 (en)

Priority Applications (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

Applications Claiming Priority (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 DE2433992B2 (en) 1973-07-26 1974-07-15 Process for production of glass ceramics for conversion of infrared into visible light
GB3309974A GB1440726A (en) 1973-07-26 1974-07-26 Rare earth composition for frequency conversion of radiation

Publications (2)

Publication Number Publication Date
FR2238679A1 true FR2238679A1 (en) 1975-02-21
FR2238679B1 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 (3)

Country Link
DE (1) DE2433992B2 (en)
FR (2) FR2238679B1 (en)
GB (1) GB1440726A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0294977A1 (en) * 1987-06-11 1988-12-14 BRITISH TELECOMMUNICATIONS public limited company Optical wave guides
US4923279A (en) * 1987-10-22 1990-05-08 British Telecommunications Plc Optical fibre with fluorescent additive
US4936650A (en) * 1986-04-24 1990-06-26 British Telecommunications Public Limited Company Optical wave guides
US4974933A (en) * 1986-06-04 1990-12-04 British Telecommunications Plc Optical waveguides and their manufacture
DE4444844A1 (en) * 1993-12-16 1995-06-22 France Telecom New rare earth-doped glass-ceramic material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1256069B (en) * 1992-07-28 1995-11-27 Minnesota Mining & Mfg Method for recording and reproducing a radiation image, said method making use of apparatus, the image panel for storing a radiation photostimulable phosphors
JP3411067B2 (en) * 1993-08-27 2003-05-26 日本電信電話株式会社 Wavelength up conversion transparent glass ceramic and manufacturing method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4936650A (en) * 1986-04-24 1990-06-26 British Telecommunications Public Limited Company Optical wave guides
US4974933A (en) * 1986-06-04 1990-12-04 British Telecommunications Plc Optical waveguides and their manufacture
EP0294977A1 (en) * 1987-06-11 1988-12-14 BRITISH TELECOMMUNICATIONS public limited company Optical wave guides
US4923279A (en) * 1987-10-22 1990-05-08 British Telecommunications Plc Optical fibre with fluorescent additive
USRE35946E (en) * 1987-10-22 1998-11-03 British Telecommunications Plc Optical fibre amplifier with fluorescent additive and method of amplifying signals using same
DE4444844A1 (en) * 1993-12-16 1995-06-22 France Telecom New rare earth-doped glass-ceramic material
FR2714046A1 (en) * 1993-12-16 1995-06-23 France Telecom Vitroceramic materials, in particular for rare earth doped lasers and optical amplifiers, and a method of manufacturing such materials.
DE4444844C2 (en) * 1993-12-16 1998-01-15 France Telecom Ceramic materials, in particular for lasers and optical amplifiers are doped with rare earth elements, and methods for their preparation
US5858891A (en) * 1993-12-16 1999-01-12 France Telecom Glass-ceramic materials especially for lasers and optical amplifiers, doped with rare earths

Also Published As

Publication number Publication date
DE2433992A1 (en) 1975-02-27
FR2238679B1 (en) 1978-06-30
GB1440726A (en) 1976-06-23
FR2267988B2 (en) 1981-09-11
DE2433992B2 (en) 1976-09-30
FR2267988A2 (en) 1975-11-14

Similar Documents

Publication Publication Date Title
AU480441A (en)
BG18633A2 (en)
AU479521A (en)
AU476112B2 (en)
BG19012A1 (en)
BG18747A1 (en)
AU480675A (en)
AU477405B2 (en)
BG18902A1 (en)
AU5287873A (en)
BG18648A2 (en)
AU481289A (en)
AU480280A (en)
AU475405B2 (en)
AU479419A (en)
AR210729A1 (en)
AU482190A (en)
AU482320A (en)
BG19013A1 (en)
AU465183B2 (en)
AU469843B2 (en)
AU480894A (en)
AU481150A (en)
AU479620A (en)
AU470257B2 (en)

Legal Events

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