FR2499546B1 - Verres au germanium ayant une transmission elevee dans l'infra-rouge et une faible densite, et leur fabrication - Google Patents

Verres au germanium ayant une transmission elevee dans l'infra-rouge et une faible densite, et leur fabrication

Info

Publication number
FR2499546B1
FR2499546B1 FR8102692A FR8102692A FR2499546B1 FR 2499546 B1 FR2499546 B1 FR 2499546B1 FR 8102692 A FR8102692 A FR 8102692A FR 8102692 A FR8102692 A FR 8102692A FR 2499546 B1 FR2499546 B1 FR 2499546B1
Authority
FR
France
Prior art keywords
infra
red
manufacture
low density
high transmission
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
Application number
FR8102692A
Other languages
English (en)
Other versions
FR2499546A1 (fr
Inventor
Jean Emile Boudot
Jean-Pierre Mazeau
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.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Priority to FR8102692A priority Critical patent/FR2499546B1/fr
Priority to US06/335,647 priority patent/US4385128A/en
Publication of FR2499546A1 publication Critical patent/FR2499546A1/fr
Application granted granted Critical
Publication of FR2499546B1 publication Critical patent/FR2499546B1/fr
Expired legal-status Critical Current

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
    • 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
    • C03C3/00Glass compositions
    • C03C3/12Silica-free oxide glass compositions
    • C03C3/253Silica-free oxide glass compositions containing germanium
    • 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
    • C03C4/10Compositions for glass with special properties for infrared transmitting glass
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S501/00Compositions: ceramic
    • Y10S501/90Optical glass, e.g. silent on refractive index and/or ABBE number
    • Y10S501/904Infrared transmitting or absorbing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00Glass manufacturing
    • Y10S65/90Drying, dehydration, minimizing oh groups
FR8102692A 1981-02-11 1981-02-11 Verres au germanium ayant une transmission elevee dans l'infra-rouge et une faible densite, et leur fabrication Expired FR2499546B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8102692A FR2499546B1 (fr) 1981-02-11 1981-02-11 Verres au germanium ayant une transmission elevee dans l'infra-rouge et une faible densite, et leur fabrication
US06/335,647 US4385128A (en) 1981-02-11 1981-12-30 Germanium-containing glass of high infrared transmission and low density

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8102692A FR2499546B1 (fr) 1981-02-11 1981-02-11 Verres au germanium ayant une transmission elevee dans l'infra-rouge et une faible densite, et leur fabrication

Publications (2)

Publication Number Publication Date
FR2499546A1 FR2499546A1 (fr) 1982-08-13
FR2499546B1 true FR2499546B1 (fr) 1986-10-24

Family

ID=9255086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8102692A Expired FR2499546B1 (fr) 1981-02-11 1981-02-11 Verres au germanium ayant une transmission elevee dans l'infra-rouge et une faible densite, et leur fabrication

Country Status (2)

Country Link
US (1) US4385128A (fr)
FR (1) FR2499546B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3364721D1 (en) * 1982-09-10 1986-08-28 British Telecomm Method for drying oxide glasses
US4629485A (en) * 1983-09-26 1986-12-16 Corning Glass Works Method of making fluorine doped optical preform and fiber and resultant articles
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
US5491767A (en) * 1994-05-06 1996-02-13 Mcpherson; Donald M. Germanate glass for mid-infrared medical optical fiber
US5837628A (en) * 1996-02-20 1998-11-17 National Science Council Low cost and environmentally improved infrared transmitting germanate glasses
KR102104857B1 (ko) 2018-04-19 2020-05-19 케이씨글라스(주) 중적외선 투과 BaO-GeO2-La2O3-ZnO계 유리 및 그 제조방법
KR102178390B1 (ko) 2018-12-06 2020-11-13 한국세라믹기술원 중적외선 영역에서 높은 굴절률 분산 특성을 갖는 BaO-GeO2-La2O3-TiO2-ZnO계 산화물 유리 및 그 제조방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119703A (en) * 1961-07-31 1964-01-28 Given W Cleek Infrared transmitting glasses
US3531306A (en) * 1966-12-29 1970-09-29 Corning Glass Works Method of making infrared transmitting silicate glasses
US3531305A (en) * 1967-03-06 1970-09-29 Corning Glass Works Method of making infrared transmitting germanate glasses
US3911275A (en) * 1971-04-27 1975-10-07 Corning Glass Works Infrared detection system and windows used therein
US3769047A (en) * 1971-04-27 1973-10-30 Corning Glass Works Method of depressing the liquidus temperature of lanthanum aluminogermanate glasses, and the glasses produced
US3745032A (en) * 1971-09-20 1973-07-10 Gen Dynamics Corp Low expansion,multiband transmitting glass
JPS5851901B2 (ja) * 1978-10-25 1983-11-18 株式会社保谷硝子 赤外透過ガラス

Also Published As

Publication number Publication date
FR2499546A1 (fr) 1982-08-13
US4385128A (en) 1983-05-24

Similar Documents

Publication Publication Date Title
IT1232107B (it) Procedimento per aumentare la resistenza alla penetrazione attraverso un'apertura munita di vetri, e vetro avente un'aumentata resistenza all'effrazione
DE3866243D1 (de) Faserkreisel mit verbesserter bias-stabilitaet und wiederholbarkeit.
FR2555982B1 (fr) Verre optique ayant un indice de refraction 1,90, une constringence 25 et une resistance elevee aux agents chimiques
ATE220133T1 (de) Polyolefinfasern
FR2690436B1 (fr) Verres à très haut indice de réfraction et faible densité.
DE3885856D1 (de) Wellenleitermatrix mit in derselben Ebene sich überquerenden Signalstecken.
DE69002492D1 (de) Psyllium enthaltende kekse mit hohem fasergehalt.
JPS57183336A (en) Light reversible color-changing glass having more than refractive index 1.59, more than abbe's number 40 and less than density 3.2 g/cm3
DE3485233D1 (de) Polymer mit fluor enthaltender endgruppe und seine herstellung.
FR2513985B1 (fr) Verre optique et ophtalmique ayant un indice de refraction nd au moins egal a 1,58, un indice d'abbe au moins egal a 45 et une masse volumique au plus egale a 2,75 g/cm3
DE69119483D1 (de) Elektrooptische Abtasteinrichtung sowie mit der Abtasteinrichtung versehener optischer Spieler
IT8222783A0 (it) Fibre poliolefiniche a migliorata termosaldabilita' e procedimento per ottenerle.
DE3786689T2 (de) Optisches Kunststoff-Transmissionsmedium, zugehöriges Herstellungsverfahren und Linsenanordnung mit solchem Medium.
FR2499546B1 (fr) Verres au germanium ayant une transmission elevee dans l'infra-rouge et une faible densite, et leur fabrication
IT8022851A0 (it) Glicosaminoglicani modificati dotati di attivita' antilipemica e privi di attivita' anticoagulante.
FR2571172B1 (fr) Verres neutrophages au gadolinium et leur procede de preparation.
GB2239868B (en) Optical glass of negative anomalous partial dispersion in the blue region, refractive index n of 1.69 to 1.83 and Abbe coefficient v of 29 to 38.5
EP0082787A3 (en) Photodiode with separated absorption and avalanche regions
OA07692A (fr) Perfectionnements apportés aux piétements pivotants, et mobilier, notamment éléments de barrière déplaçable, équipé de tels piétements.
KR920701282A (ko) 아크릴 니트릴계 공중합체 및 이로부터 얻어진 섬유, 심초형 복합섬유
IT8420567A0 (it) Articolo dotato di proprieta'magnetiche e processo di produzione dello stesso.
DE3884715T2 (de) Chemisch beständige Gläser mit hohem Brechungsindex und niedriger Dichte.
ES513555A0 (es) "perfeccionamientos en los tractores agricolas con transmision en las cuatro ruedas".
DE3786017T2 (de) Differentialgetriebe mit taumelrädern.
BE868645A (fr) Verre d'indice de refraction eleve et de faible densite

Legal Events

Date Code Title Description
ST Notification of lapse