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WO2004071983A1 - Procede pour fabriquer des materiaux photorefractifs - Google Patents

Procede pour fabriquer des materiaux photorefractifs Download PDF

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Publication number
WO2004071983A1
WO2004071983A1 PCT/RU2003/000044 RU0300044W WO2004071983A1 WO 2004071983 A1 WO2004071983 A1 WO 2004071983A1 RU 0300044 W RU0300044 W RU 0300044W WO 2004071983 A1 WO2004071983 A1 WO 2004071983A1
Authority
WO
WIPO (PCT)
Prior art keywords
radiation
glass
pulse
wavelength
energy density
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.)
Ceased
Application number
PCT/RU2003/000044
Other languages
English (en)
Russian (ru)
Inventor
Alexandr Vasilievich Dmitryuk
Nikolai Timofeevich Timofeev
Andrei Evgenievich Korolev
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.)
Obschestvo S Ogranichennoi Otvetstvennostiju 'corning'
Original Assignee
Obschestvo S Ogranichennoi Otvetstvennostiju 'corning'
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 Obschestvo S Ogranichennoi Otvetstvennostiju 'corning' filed Critical Obschestvo S Ogranichennoi Otvetstvennostiju 'corning'
Priority to PCT/RU2003/000044 priority Critical patent/WO2004071983A1/fr
Priority to AU2003234945A priority patent/AU2003234945A1/en
Publication of WO2004071983A1 publication Critical patent/WO2004071983A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/16—Silica-free oxide glass compositions containing phosphorus
    • C03C3/19—Silica-free oxide glass compositions containing phosphorus containing 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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
    • C03C23/002—Other surface treatment of glass not in the form of fibres or filaments by irradiation by ultraviolet light
    • 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
    • C03C4/04—Compositions for glass with special properties for photosensitive glass
    • C03C4/06—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
    • C03C4/065—Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass for silver-halide free photochromic glass
    • 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
    • C03C4/08—Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths

Definitions

  • the invention is subject to the method of receiving non-removable, non-removable, non-removable devices
  • the method of receiving a glass is known through the influence of gamma radiation on silica glasses.
  • Source products of the general chemical formula (II) are obtained in accordance with the conventional manufacturing technology of the glass, i.e. By means of a high temperature synthesis in crucibles made from melting pots materials.
  • the intermediate product ⁇ 2 + is also thermally unstable at temperatures higher than 3 crane repair and proceeds to the following reaction: 20 2 2 + + ⁇ ' ⁇ ⁇ 3 2+ (3)
  • the central center ⁇ 3 3 2+ is thermally stable to the temperature range 400-450terrorism and it is responsible for the non-functional properties of the ser aff ous products.
  • One well-known method of receiving the compound (I) 25 has a number of disadvantages.
  • the ability to use local sources of degrading radiation makes it unsafe and difficult to operate. Otherwise, this method can be used to process materials that have separate sizes and sizes. This narrows the possibilities of its 30 applications.
  • the purpose of this invention was to create a safe means of obtaining a compound (I), the exclusive use of radiant radiation and greater availability.
  • ⁇ S, ⁇ a, ⁇ , ⁇ , ⁇ ,
  • P ⁇ edl ⁇ zhenny s ⁇ s ⁇ b ⁇ lichae ⁇ sya ⁇ izves ⁇ n ⁇ g ⁇ 20 is ⁇ lz ⁇ vaniem U ⁇ im ⁇ ulsn ⁇ g ⁇ radiation vys ⁇ y in ⁇ ensivn ⁇ s ⁇ i, ch ⁇ ⁇ bes ⁇ echivae ⁇ u ⁇ azanny above e ⁇ e ⁇ and yavlyae ⁇ sya ne ⁇ chevidnym, ⁇ s ⁇ l ⁇ u sv ⁇ ys ⁇ v ⁇ ⁇ - ⁇ e ⁇ a ⁇ ivn ⁇ s ⁇ i in ⁇ d-s ⁇ de ⁇ zhaschi ⁇ s ⁇ e ⁇ la ⁇ ⁇ bna ⁇ uzhen ⁇ v ⁇ e ⁇ vye in remember ⁇ m iz ⁇ b ⁇ e ⁇ enii. 25 Quick description of the drawings
  • Fig. 3 the induced optical density has been introduced, as is the function of the laser pulse energy and the excitation radiation exposure.
  • the Centers of 3+ 3 2+ are obtained as a result of investigative processes (1) - (3).
  • the primary radiochemistry (1) takes place during the capture of primary elec- trons of the serum.
  • 5 Home elec- trons are produced by the initialization of chemical elements included in the glass due to the effect of radiation.
  • UV radiation with a wavelength of 266 nm (the fourth harmonic of an inimitable laser) is the energy
  • the proposed method for the production of productive materials is carried out as follows.
  • 10 is made in accordance with the usual technology for the manufacture of glass, i.e. By means of a high temperature synthesis in the crucibles made from refractory materials.
  • Glasses were synthesized in the amount of 100-400 g. They are characterized by a low temperature range of 1200-1250 ° C, high technological stability and process.
  • the synthesis was carried out in crucibles from the smelter 10
  • a starter with a volume of 200 cm 3 in a laboratory electric press without a compact atomizer ⁇ ⁇ aches ⁇ ve sy ⁇ evy ⁇ ma ⁇ e ⁇ ial ⁇ v is ⁇ lz ⁇ valis ⁇ mme ⁇ ches ⁇ ie ⁇ ea ⁇ ivy: ⁇ d ⁇ 0 3 Y ⁇ 0 3 ⁇ a ⁇ 0 3, ⁇ 0 3 ⁇ dS0 3 SaS0 3 ⁇ aS0 3, ⁇ 3 ⁇ 0 4, La 2 0 3, 5 ⁇ 2 0 3, ⁇ g 2 0 3, ⁇ 2 0 3 , ⁇ 2 0 3 qualifications ⁇ or ⁇ '.
  • the loading of the mixture into the crucible was carried out at a temperature of 1150-1200 ° ⁇ , while the temperature was 30 minutes for 100 g of glass and up to 4 hours for 400 g of glass. ⁇ Brass In a number of cases for the prevention of the restoration of the silver and the removal of Verizon-10 of the glass from the glass, the melting of the dried-up liquid was carried out.
  • the molten glass was refined into the heated group.
  • the glass was placed in a muffle furnace, where 15 a coarse glass was fired at a temperature of 380-400 ° C for 2 hours, with subsequent cooling.
  • the burnt glass was cut into pieces, from the prepared samples were prepared (0, 2-4) ⁇ 15 ⁇ 20 mm 3 20 for specific measurements.
  • the original product (glass, activated by the silver) does not alter its specific and physical chemistry.
  • the wavelengths are 193 nm, 248 nm, 266 nm and the energy density in the pulse is 0.1 J / cm 2 , the pulse duration is 8–10 ns, the compound of the formula (II) exhibits good properties. 5 EXAMPLES
  • the radiation wavelength is 266 nm
  • the energy density in the pulse is 0.1 J / cm 2
  • the pulse duration is
  • ⁇ ⁇ -E ⁇ (For 0 - the optical density of the sample before and after the irradiation is relevant);
  • 15th layer is equal to the thickness of the sample.
  • activated silver therefore, as a rule, is not observed due to the high absorption coefficient at a length of 266 nm.
  • the preferred word may be divided on the basis of the following expression: where to 2 bb (cm -1 ) is the natural absorption coefficient at a wavelength of 266 nm.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Glass Compositions (AREA)

Abstract

L'invention concerne un procédé de fabrication de matériaux photoréfractifs qui se présentent comme des composés chimiques non stéchiométriques correspondant à la formule générale suivant [Ag3 2+] x [Ag2O] n [P2O5] m [Al2O3] k [B2O3] l [R2O] p [R'O] s [Ln2O3] t (I), dans laquelle x=0,000005-0,01, n=0,0005-0,1, m=0,4-0,75, k=0-0,1, l=0-0,1, p=0-0,5, s=0-0,5, t=0-0,25, R=Li, Na, K, Rb, Cs, R'=Mg, Ca, Sr, Ba, Ln=La, Er, Yb, Nd, Tb, Ce. Le procédé de l'invention consiste à soumettre le composé (II) [Ag2O] n [P2O5] m [Al2O3] k [B2O3] l [R2O] p [R'O] s [Ln2O3] t, dans laquelle x=0,000005-0,01, n=0,0005-0,1, m=0,4-0,75, k=0-0,1, l=0-0,1, p=0-0,5, s=0-0,5, t=0-0,25, R=Li, Na, K, Rb, Cs, R'=Mg, Ca, Sr, Ba, à l'action d'un rayonnement UV pulsé, avec une longueur d'onde de 150 à 300 nm, une durée d'impulsions inférieure à 20 nanosecondes et une densité d'énergie d'impulsions supérieure à 10-2 J/cm2.
PCT/RU2003/000044 2003-02-12 2003-02-12 Procede pour fabriquer des materiaux photorefractifs Ceased WO2004071983A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/RU2003/000044 WO2004071983A1 (fr) 2003-02-12 2003-02-12 Procede pour fabriquer des materiaux photorefractifs
AU2003234945A AU2003234945A1 (en) 2003-02-12 2003-02-12 Method for producing photorefractive materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2003/000044 WO2004071983A1 (fr) 2003-02-12 2003-02-12 Procede pour fabriquer des materiaux photorefractifs

Publications (1)

Publication Number Publication Date
WO2004071983A1 true WO2004071983A1 (fr) 2004-08-26

Family

ID=32867202

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2003/000044 Ceased WO2004071983A1 (fr) 2003-02-12 2003-02-12 Procede pour fabriquer des materiaux photorefractifs

Country Status (2)

Country Link
AU (1) AU2003234945A1 (fr)
WO (1) WO2004071983A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1078793A (en) * 1965-03-05 1967-08-09 Commissariat Energie Atomique Phosphate glass for x-ray, gamma-ray and thermal neutron dosimeters
WO1995026519A1 (fr) * 1994-03-29 1995-10-05 Monash University Procede permettant d'obtenir un effet photorefractif dans des dispositifs optiques, et dispositifs optiques realises selon ce procede
WO2003045863A1 (fr) * 2001-11-28 2003-06-05 Ooo 'corning' Nouveau materiaux photorefractifs, produits intermediaires destines a leur fabrication et procedes de fabrication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1078793A (en) * 1965-03-05 1967-08-09 Commissariat Energie Atomique Phosphate glass for x-ray, gamma-ray and thermal neutron dosimeters
WO1995026519A1 (fr) * 1994-03-29 1995-10-05 Monash University Procede permettant d'obtenir un effet photorefractif dans des dispositifs optiques, et dispositifs optiques realises selon ce procede
WO2003045863A1 (fr) * 2001-11-28 2003-06-05 Ooo 'corning' Nouveau materiaux photorefractifs, produits intermediaires destines a leur fabrication et procedes de fabrication

Also Published As

Publication number Publication date
AU2003234945A1 (en) 2004-09-06

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