AU2001294014A1 - Gamma-ray spectrometry - Google Patents

Gamma-ray spectrometry

Info

Publication number
AU2001294014A1
AU2001294014A1 AU2001294014A AU9401401A AU2001294014A1 AU 2001294014 A1 AU2001294014 A1 AU 2001294014A1 AU 2001294014 A AU2001294014 A AU 2001294014A AU 9401401 A AU9401401 A AU 9401401A AU 2001294014 A1 AU2001294014 A1 AU 2001294014A1
Authority
AU
Australia
Prior art keywords
scintillation
detector
crystal
spectrometers
geometries
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.)
Abandoned
Application number
AU2001294014A
Inventor
Sergei Ignatov
Oleg Ivanov
Ling-Jian Meng
David Keith Ramsden
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.)
University of Southampton
Original Assignee
University of Southampton
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
Priority claimed from GB0024875A external-priority patent/GB0024875D0/en
Priority claimed from GB0110754A external-priority patent/GB0110754D0/en
Application filed by University of Southampton filed Critical University of Southampton
Publication of AU2001294014A1 publication Critical patent/AU2001294014A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

Different geometries of scintillation spectrometers are disclosed which provide improved resolution over prior art scintillation spectrometers. By ensuring that photons generated by scintillation events occurring in different locations within the scintillation material generate similar light profiles on the photo-detector, the output signal is made less sensitive to the initial interaction site. This can be achieved in a number of ways, such as: by limiting the exit window of the scintillation crystal to a smaller detector, by introducing an optical spacer ( 94 ) between the scintillation crystal and detector ( 99 ), and/or by making the crystal longer than necessary to stop the gamma rays. A principal advantage of these new geometries is that deconvolution of the raw-data is more effective, thus improving resolution.
AU2001294014A 2000-10-11 2001-10-11 Gamma-ray spectrometry Abandoned AU2001294014A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0024875A GB0024875D0 (en) 2000-10-11 2000-10-11 A spherical scintillation counter with high spectral resolution-scintisphere
GB0024875 2000-10-11
GB0110754A GB0110754D0 (en) 2001-05-02 2001-05-02 A new scintillation counter design capable of providing high spectral-resolution scinti-prism
GB0110754 2001-05-02
PCT/GB2001/004539 WO2002031536A2 (en) 2000-10-11 2001-10-11 Gamma-ray spectrometry

Publications (1)

Publication Number Publication Date
AU2001294014A1 true AU2001294014A1 (en) 2002-04-22

Family

ID=26245136

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001294014A Abandoned AU2001294014A1 (en) 2000-10-11 2001-10-11 Gamma-ray spectrometry

Country Status (6)

Country Link
US (1) US6940071B2 (en)
EP (1) EP1328827B1 (en)
AT (1) ATE406586T1 (en)
AU (1) AU2001294014A1 (en)
DE (1) DE60135568D1 (en)
WO (1) WO2002031536A2 (en)

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US8223919B2 (en) 2003-04-25 2012-07-17 Rapiscan Systems, Inc. X-ray tomographic inspection systems for the identification of specific target items
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US9113839B2 (en) 2003-04-25 2015-08-25 Rapiscon Systems, Inc. X-ray inspection system and method
US7949101B2 (en) 2005-12-16 2011-05-24 Rapiscan Systems, Inc. X-ray scanners and X-ray sources therefor
US8837669B2 (en) 2003-04-25 2014-09-16 Rapiscan Systems, Inc. X-ray scanning system
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
US6928141B2 (en) 2003-06-20 2005-08-09 Rapiscan, Inc. Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers
GB2418015B (en) * 2004-05-24 2006-12-20 Symetrica Ltd Gamma ray spectrometers
CN2747301Y (en) * 2004-11-26 2005-12-21 清华大学 Flange bended I section component
US7711661B2 (en) * 2004-12-20 2010-05-04 The Trustees Of Princeton University System and method for resolving gamma-ray spectra
US8173970B2 (en) * 2005-02-04 2012-05-08 Dan Inbar Detection of nuclear materials
US7820977B2 (en) * 2005-02-04 2010-10-26 Steve Beer Methods and apparatus for improved gamma spectra generation
US7847260B2 (en) 2005-02-04 2010-12-07 Dan Inbar Nuclear threat detection
US7471764B2 (en) 2005-04-15 2008-12-30 Rapiscan Security Products, Inc. X-ray imaging system having improved weather resistance
US8097855B2 (en) * 2005-11-30 2012-01-17 Iscon Video Imaging, Inc. Methods and systems for detecting concealed objects
US7657092B2 (en) * 2005-11-30 2010-02-02 Iscon Video Imaging, Inc. Methods and systems for detecting concealed objects
US7664324B2 (en) * 2005-11-30 2010-02-16 Iscon Video Imaging, Inc. Methods and systems for detecting concealed objects
US7339172B2 (en) * 2006-01-05 2008-03-04 Lawrence Livermore National Security, Llc Portable compton gamma-ray detection system
GB2437979B (en) 2006-05-12 2010-12-01 Symetrica Ltd Plastic scintillators
GB2440588B (en) * 2006-08-04 2009-09-09 Symetrica Ltd Gamma-Ray detector
FR2911212B1 (en) * 2007-01-10 2009-02-27 Alessandro Manneschi DETECTOR OF PRODUCTS NOT ALLOWED IN A PROTECTED ACCESS ZONE
GB2445578B (en) 2007-01-15 2009-01-07 Symetrica Ltd Radioactive isotope identification
WO2009036337A2 (en) * 2007-09-12 2009-03-19 University Of Florida Research Foundation, Inc. Method and apparatus for spectral deconvolution of detector spectra
CN103257358B (en) * 2007-12-29 2016-01-20 同方威视技术股份有限公司 Multichannel analyzer and peak drift real-time correcting method
GB0803644D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
GB0803641D0 (en) 2008-02-28 2008-04-02 Rapiscan Security Products Inc Scanning systems
GB0809110D0 (en) 2008-05-20 2008-06-25 Rapiscan Security Products Inc Gantry scanner systems
EP2376940B1 (en) * 2008-12-10 2017-05-17 Koninklijke Philips N.V. Autonomous detector module as a building block for scalable pet and spect systems
US9218933B2 (en) 2011-06-09 2015-12-22 Rapidscan Systems, Inc. Low-dose radiographic imaging system
GB201120166D0 (en) * 2011-11-23 2012-01-04 Kromek Ltd Detector apparatus and method
GB201120168D0 (en) * 2011-11-23 2012-01-04 Kromek Ltd Portable detector apparatus
GB2499391B (en) 2012-02-14 2015-11-04 Symetrica Ltd Neutron detector
US8809798B2 (en) * 2013-01-11 2014-08-19 Baker Hughes Incorporated Methods to enhance nuclear spectroscopy analysis
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US10310097B2 (en) 2013-07-01 2019-06-04 Faxitron Bioptics, Llc Gamma probe with hand-piece control of detection parameters
GB2520762B (en) 2013-12-02 2018-04-04 Symetrica Ltd Gamma-ray detector
US9541669B2 (en) 2014-03-18 2017-01-10 Crytur High transmittance single crystal YAP scintillators
AU2014268284A1 (en) * 2014-11-30 2016-06-16 Southern Innovation International Pty Ltd Method and apparatus for material identification
CN109991645B (en) * 2017-12-31 2023-02-17 中国人民解放军63653部队 Detection efficiency determination method in thorium emanation accumulation measurement method
US11324475B2 (en) 2018-05-25 2022-05-10 Faxitron Bioptics, Llc Handheld surgical devices with tactile operable controls
EA034998B1 (en) * 2019-01-25 2020-04-15 Дмитрий Юрьевич Пак Multicomponent substance analysis method
CN112478474B (en) * 2020-11-10 2022-02-18 山东科技大学 Automatic broken device that encircles of coal bunker
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Also Published As

Publication number Publication date
US20040000645A1 (en) 2004-01-01
US6940071B2 (en) 2005-09-06
WO2002031536A3 (en) 2002-06-06
WO2002031536A2 (en) 2002-04-18
EP1328827B1 (en) 2008-08-27
EP1328827A2 (en) 2003-07-23
DE60135568D1 (en) 2008-10-09
ATE406586T1 (en) 2008-09-15

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