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Title: Saturation of a Ce:Y3Al5O12 scintillator response to ultra-short pulses of extreme ultraviolet soft X-ray and X-ray laser radiation

Journal Article · · Optical Materials Express
DOI:https://doi.org/10.1364/OME.7.000665· OSTI ID:1353205
 [1];  [2];  [3];  [4];  [4];  [5];  [6];  [6];  [5];  [7];  [6];  [4]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Univ. of Bialystok, Bialystok (Poland)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  4. Czech Academy of Sciences, Prague (Czech Republic)
  5. Polish Academy of Sciences, Warsaw (Poland)
  6. Univ. of Tartu, Tartu (Estonia)
  7. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
+ Show Author Affiliations

Investigations of radioluminescence saturation in monocrystalline cerium doped yttrium aluminum garnet (Ce:YAG) exposed to intense extreme ultraviolet (XUV), soft X-ray and X-ray radiation delivered from three free-electron lasers are described in this article. The measurements were performed with wavelengths of 98, 25.6, 13.5 and 0.15 nm. We have found that saturation of the photon yield occurs at an excitation level of 2.0 x 1020 eV/cm3 resulting in an emission of 1.5 x 1018 visible photons per cubic centimeter. This number is much smaller than the concentration of Ce3+ in the scintillator that was equal to 2 x 1020 cm–3. Because the internal radiance efficiency η does not depend strongly on the irradiating photon energy, i.e., η ≈0.035 ± 0.015 in the range 10 to 100 000 eV, the results presented here could be used to predict saturation effects in scintillator slabs placed in imaging systems of bright XUV, X-ray and particle beams. In conclusion, the saturation of the Ce3+ emission is explained by mutual quenching of excitons created at high densities, preceding the stage of energy transfer to the Ce3+ ions.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-76SF00515; IUT02-26; TK141; 14-29772S; AC52-07NA27344; LG15013; LH14072
OSTI ID:
1353205
Alternate ID(s):
OSTI ID: 1845649
Report Number(s):
LLNL-JRNL-699458
Journal Information:
Optical Materials Express, Vol. 7, Issue 3; ISSN 2159-3930
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 16 works
Citation information provided by
Web of Science

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Cited By (1)

Response of fusion plasma-facing materials to nanosecond pulses of extreme ultraviolet radiation journal August 2018

Figures / Tables (5)

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Fig. 3(p. 7)figure Fig. 3
Fig. 4(p. 7)figure Fig. 4
Fig. 5(p. 9)figure Fig. 5

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