Title: Optical temperature sensing using a new thermographic phosphor
Authors : Borisov, Sergey
Klimant, Ingo
Bürgi, René
Venturini, Francesca
Published in : Sensors and Actuators A: Physical
Volume(Issue) : 233
Pages : 324
Pages to: 329
Publisher / Ed. Institution : Elsevier
Issue Date: Jul-2015
Language : Englisch / English
Subject (DDC) : 540: Chemie
Abstract: The luminescence emission of a new thermographic phosphor based on Chromium(III)-doped yttrium aluminum borate (Cr3+:YAB) has a strong temperature dependence, which makes this material well suited for temperature sensing. In this work the luminescence emission decay was investigated in great detail in a broad temperature range, both in time and frequency domain. The results obtained with these two measuring techniques, which are consistent, are used to determine the optimal design parameters for sensor development. The high sensitivity which is thus achievable, together with the high stability of the material, demonstrate that this phosphor is very suitable for the design of a sensitive, low-cost, and robust contactless temperature sensor. Due to the insensitivity of the sensing properties to the immobilization matrix, this material can be easily incorporated in the most appropriate matrix depending on the application.
Departement: School of Engineering
Organisational Unit: Institut für Angewandte Mathematik und Physik (IAMP)
Publication type: Beitrag in wissenschaftlicher Zeitschrift / Article in scientific Journal
DOI : 10.1016/j.sna.2015.07.009
ISSN: 1873-3069
URI: https://digitalcollection.zhaw.ch/handle/11475/2405
Appears in Collections:Publikationen School of Engineering

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