Factors Affecting Measurements of IOP Using Non-Contact Eye Tonometer

Rybář, Jan; Hučko, Branislav; Ďuriš, Stanislav; Pavlasek, P.; Chytil, Miroslav; Furdová, Alena; Veselý, Pavol

doi:10.2478/scjme-2020-0026

Cited by 1 publication

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“…Therefore, the problem of developing new sensors and new sensor materials is very topical [ 20 , 21 ], especially with respect to the concept of the Internet of Things [ 22 , 23 ]. There is a growing need to develop better and more accurate sensors because measurement accuracy also has economic [ 24 , 25 , 26 ], environmental [ 27 ] and medical effects [ 28 , 29 ]. In some branches of science, this need is mentioned as key for the next decade [ 30 , 31 ].…”

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confidence: 99%

Energy Structure and Luminescence of CeF3 Crystals

et al. 2021

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The results of the calculation of the energy band structure and luminescent research of CeF3 crystals are presented. The existence of two 5d1 and 5d2 subbands of the conduction band genetically derived from 5d states of Ce3+ ions with different effective electron masses of 4.9 me and 0.9 me, respectively, is revealed. The large electron effective mass in the 5d1 subband facilitates the localization of electronic excitations forming the 4f-5d cerium Frenkel self-trapped excitons responsible for the CeF3 luminescence. The structure of the excitation spectra of the exciton luminescence peaked at 290 nm, and the defect luminescence at 340 nm confirms the aforementioned calculated features of the conduction band of CeF3 crystals. The peculiarities of the excitation spectra of the luminescence of CaF2:Ce crystals dependent on the cerium concentration are considered with respect to the phase formation possibility of CeF3.

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