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Preliminary results...
Preliminary results from a study of luminescent materials : For application in the beam imaging system at the ESS
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- Frost, Robert J. W. (författare)
- Uppsala University,Lund University,Lunds universitet,Uppsala universitet,Tillämpad kärnfysik,Lund Univ, Dept Phys, Lund, Sweden,Accelerator Div, European Spalat Source ESS, Lund, Sweden.,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,European Spallation Source ERIC, Denmark
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- Thomas, C. A. (författare)
- Accelerator Division, European Spalation Source (ESS), Lund (SWE),Accelerator Div, European Spalat Source ESS, Lund, Sweden.,European Spallation Source ERIC, Denmark
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- Elfman, M. (författare)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Johansson, R. (författare)
- Accelerator Division, European Spalation Source (ESS), Lund (SWE)
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- Hartl, M. (författare)
- Accelerator Division, European Spalation Source (ESS), Lund (SWE),Accelerator Div, European Spalat Source ESS, Lund, Sweden.,European Spallation Source ERIC, Denmark
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- Kocevar, H. (författare)
- Accelerator Division, European Spalation Source (ESS), Lund (SWE),Accelerator Div, European Spalat Source ESS, Lund, Sweden.,European Spallation Source ERIC, Denmark
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- Michel, K. (författare)
- Accelerator Division, European Spalation Source (ESS), Lund (SWE),Accelerator Div, European Spalat Source ESS, Lund, Sweden.,European Spallation Source ERIC, Denmark
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- Joshi, Shrikant V., 1960- (författare)
- University College West,Högskolan Väst,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),KAMPT,Univ West, Dept Engn Sci, Trollhättan, Sweden.
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- Björklund, Stefan, 1969- (författare)
- University College West,Högskolan Väst,Avdelningen för avverkande och additativa tillverkningsprocesser (AAT),KAMPT,Univ West, Dept Engn Sci, Trollhättan, Sweden.
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(creator_code:org_t)
- Elsevier, 2023
- 2023
- Engelska.
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Ingår i: Nuclear Instruments and Methods in Physics Research Section B. - : Elsevier. - 0168-583X .- 1872-9584. ; 540, s. 227-233
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- As part of the development of the beam imaging system at the European Spallation Source, luminescent screens have been fabricated by the flame spraying of scintillating materials onto stainless steel backings. A total of seven screens were produced, three of chromia alumina (Al2O3:Cr), two of YAG (Y3Al5O12:Ce) and two of a 50/50 mix of these. The properties of these screens under proton irradiation were evaluated using a2.55 MeV proton beam at currents of up to 10 μA. Irradiation times were up to 25 h per sample, during which luminescence-, spectrographic-, thermal- and current-data was sampled at a rate of 1 Hz. Preliminary results of these measurements are reported here; with a quantitative analysis presented for one of the chromia alumina screens and a qualitative comparison of all three material types. The luminescent yield for chromia alumina was determined to be around 2000 photons/MeV for a virgin screen, and was found to drop to 1.5% after 167 mC of proton irradiation. A recovery of the luminescence of chromia alumina to >60% was observed after beam current was reduced for an 8 h period. Observations indicate that the YAG and mixed composition screens retain higher luminescence than the chromia alumina even at temperatures of over 200 ◦C. It is indicated that the luminescence from YAG feeds the R-lines of chromia alumina in the mixed composition screens.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Nyckelord
- ESS
- Beam imaging
- Luminescent screens
- Chromia alumina
- YAG
- Production Technology
- Produktionsteknik
- Beam imaging
- Chromia alumina
- ESS
- Luminescent screens
- YAG
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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