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2017 | 131 | 6 | 1565-1569
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The Influence of Sub-Wavelength Effective Refractive Index Layer on the Transmittance of LYSO Scintillator

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From various types of scintillating materials lutetium-yttrium oxyorthosilicate (LYSO) has the highest luminosity and the greatest potential of application in high-energy radiation detectors. Due to the small critical angle of total internal reflection the enhancement of the extraction of light outside a scintillator is a challenge. We study numerically the influence of the effective refractive index layer on the transmittance of LYSO crystal. It is possible to realize such layer by sub-wavelength patterning of crystal surface using for example focused ion beam. The enhancement of transmittance of LYSO crystal up to 100% as well as the possibility to tune the positions of transmittance maxima have been shown.
  • Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland
  • Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland
  • Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland
  • Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland
  • Department of Biomedical Engineering, Mechatronics and Theory of Mechanisms, Faculty of Mechanical Engineering, Wrocław University of Science and Technology, Łukasiewicza 7/9, 50-371 Wrocław, Poland
  • Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland
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