Yb2+-Doped Silicate Glasses as Optical Sensor Materials for Cryogenic Thermometry
Hicham El Hamzaoui,
Igor Razdobreev,
Monika Cieslikiewicz-Bouet
et al.
Abstract:Optical sensors constitute attractive alternatives to resistive probes for the sensing and monitoring of temperature (T). In this work, we investigated, in the range from 2 to 300 K, the thermal behavior of Yb2+ ion photoluminescence (PL) in glass hosts for cryogenic thermometry. To that end, two kinds of Yb2+-doped preforms, with aluminosilicate and aluminophosphosilicate core glasses, were made using the modified chemical vapor deposition (MCVD) technique. The obtained preforms were then elongated, at about … Show more
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