The Influence of Sub-Wavelength Effective Refractive Index Layer on the Transmittance of LYSO Scintillator

• Authors: P. Modrzyński , A. Olejniczak , A. Zięba , P. Kunicki , M. Tomanik , M. Wielebski
• Languages of publication: EN

Abstracts

EN

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.

Keywords

EN

42.25.Bs; 42.25.Gy; 42.79.Dj; 02.70.Bf; 78.70.Ps; 29.40.Mc

Discipline

• 78.70.Ps: Scintillation(see also 29.40.Mc, Scintillation detectors)
• 42.25.Gy: Edge and boundary effects; reflection and refraction
• 02.70.Bf: Finite-difference methods
• 29.40.Mc: Scintillation detectors
• 42.25.Bs: Wave propagation, transmission and absorption[see also 41.20.Jb—in electromagnetism; for propagation in atmosphere, see 42.68.Ay; see also 52.40.Db Electromagnetic (nonlaser) radiation interactions with plasma and 52.38-r Laser-plasma interactions—in plasma physics]
• 42.79.Dj: Gratings(for holographic gratings, see 42.40.Eq)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 131
• Issue: 6
• Pages: 1565-1569

Dates

published

2017-06

received

2016-09-11

Contributors

author

P. Modrzyński

• Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland

author

A. Olejniczak

• Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland

author

A. Zięba

• Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland

author

P. Kunicki

• Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland

author

M. Tomanik

• 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

author

M. Wielebski

• Nanores Sp. z o.o. Sp. k., Bierutowska 57-59, 53-317 Wrocław, Poland

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Identifiers

DOI

10.12693/APhysPolA.131.1565