The Influence of Gamma Rays Radiation on Optically Induced Luminescence of Copper-Containing Potassium-Lithium-Borate Glass

Shirshnev, P. S.; Spiridonov, V. A.; Panov, D.I.; Shirshneva-Vaschenko, E.V.; Gafarova, A.R.; Еремина, Р. М.; Романов, А. Е.; Bugrov, V. E.

doi:10.18720/mpm.4222019_6

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2022

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“…The choice of such a composition was due to the need to obtain a transparent, chemically stable, easily synthesized matrix for europium (Eu) ions, which provide the conversion of UV radiation in the visible light. Potassium-aluminoborate glass is transparent in the region of 300-800 nm [13,14], with a synthesis temperature of 1450 °C [15]. Lithium promotes better dissolution of ions in the glass matrix and, as a consequence, increases quantum efficiency of photoluminescence [16].…”

Section: Experimental Setup and Methodologymentioning

confidence: 99%

Spark Sensor Based on Lithium-Potassium-Aluminophosphate Borate Glass Doped with Eu

Spiridonov¹,

Azina²,

Panov³

et al. 2022

Rev. Adv. Mater. Technol.

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We demonstrate the concept of a spark sensor operating in UV range of the electromagnetic spectrum. The design of the device and the results of measurements of its most important characteristics are presented. Response time of the sensor is 3.8 ms and response threshold is 0.4 mW/m2. For the sensing element of the device glass material with the composition 10Li2O-15K2O-15Al2O3-35B2O3-25P2O5 doped with 5 at.% Eu is used. The peak of luminescence of the material corresponds to 611 nm when excited by a wide band (with wavelengths from 300 to 400 nm) of UV radiation that guarantees the high operation ability of the designed sensor.

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Section: Experimental Setup and Methodologymentioning

confidence: 99%