CA2283320A1 - Scintillating substance and scintillating wave-guide element - Google Patents

Scintillating substance and scintillating wave-guide element Download PDF

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Publication number
CA2283320A1
CA2283320A1 CA002283320A CA2283320A CA2283320A1 CA 2283320 A1 CA2283320 A1 CA 2283320A1 CA 002283320 A CA002283320 A CA 002283320A CA 2283320 A CA2283320 A CA 2283320A CA 2283320 A1 CA2283320 A1 CA 2283320A1
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CA
Canada
Prior art keywords
scintillating
crystals
luminescence
decrease
increase
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.)
Granted
Application number
CA002283320A
Other languages
French (fr)
Other versions
CA2283320C (en
Inventor
Alexander Losifovich Zagumenny
Yuri Dmitrievich Zavartsev
Pavel Alexecvich Studenikin
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.)
Southbourne Investments Ltd
Original Assignee
Tasr Limited
Alexander Losifovich Zagumenny
Yuri Dmitrievich Zavartsev
Pavel Alexecvich Studenikin
Utar International Ltd.
Glenfield Partners Ltd.
Southbourne Investments Ltd.
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 Tasr Limited, Alexander Losifovich Zagumenny, Yuri Dmitrievich Zavartsev, Pavel Alexecvich Studenikin, Utar International Ltd., Glenfield Partners Ltd., Southbourne Investments Ltd. filed Critical Tasr Limited
Publication of CA2283320A1 publication Critical patent/CA2283320A1/en
Application granted granted Critical
Publication of CA2283320C publication Critical patent/CA2283320C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/77742—Silicates
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core

Abstract

The invention is related to nuclear physics, medicine and oil industry, namely to the measurement of x-ray, gamma and alpha radiation; control for trans uranium nuclides in the habitat of a man; non destructive control for the structure of heavy bodies;
three dimensional positron - electron computer tomography, etc.
The essence of the invention is in additional ingredients in a chemical composition of a scintillating material based on crystals of oxyorthosilicates, including cerium Ce and crystallized in a structural type Lu2SiO5.
The result of the invention is the increase of the light output of the luminescence, decrease of the time of luminescence of the ions Ce3+, increase of the reproducibility of grown crystals properties, decrease of the cost of the source melting stock for growing scintillator crystals, containing a large amount of Lu2O3, the raise of the effectiveness of the introduction of scintillating crystal luminescent radiation into a glass waveguide fibre, prevention of cracking of crystals during the production of elements, creation of waveguide properties in scintillating elements, exclusion of expensive mechanical polishing of their lateral surface.
CA002283320A 1998-01-12 1998-05-27 Scintillating substance and scintillating wave-guide element Expired - Fee Related CA2283320C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
RU98101544 1998-01-12
RU98101544/06A RU2157552C2 (en) 1998-01-12 1998-01-12 Scintillation substance ( variants ) and scintillation waveguide element
PCT/RU1998/000156 WO1999035512A1 (en) 1998-01-12 1998-05-27 Scintillating substance and scintillating wave-guide element

Publications (2)

Publication Number Publication Date
CA2283320A1 true CA2283320A1 (en) 1999-07-15
CA2283320C CA2283320C (en) 2004-10-26

Family

ID=20201663

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002283320A Expired - Fee Related CA2283320C (en) 1998-01-12 1998-05-27 Scintillating substance and scintillating wave-guide element

Country Status (11)

Country Link
US (1) US6278832B1 (en)
EP (1) EP1004899B1 (en)
JP (2) JP3668755B2 (en)
CN (1) CN1167956C (en)
AT (1) ATE341768T1 (en)
CA (1) CA2283320C (en)
DE (1) DE69836085T2 (en)
ES (1) ES2270525T3 (en)
RU (1) RU2157552C2 (en)
UA (1) UA61101C2 (en)
WO (1) WO1999035512A1 (en)

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Also Published As

Publication number Publication date
DE69836085D1 (en) 2006-11-16
RU2157552C2 (en) 2000-10-10
CA2283320C (en) 2004-10-26
JP2001524163A (en) 2001-11-27
UA61101C2 (en) 2003-11-17
WO1999035512A1 (en) 1999-07-15
JP3668755B2 (en) 2005-07-06
EP1004899A4 (en) 2001-04-11
CN1167956C (en) 2004-09-22
CN1250526A (en) 2000-04-12
EP1004899B1 (en) 2006-10-04
ES2270525T3 (en) 2007-04-01
ATE341768T1 (en) 2006-10-15
EP1004899A1 (en) 2000-05-31
US6278832B1 (en) 2001-08-21
DE69836085T2 (en) 2007-02-15
JP2003253255A (en) 2003-09-10

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