Construction of a High-Temperature Sensor for Industry Based on Optical Fibers and Ruby Crystal

This paper presents the construction of an innovative high-temperature sensor based on the optical principle. The sensor is designed especially for the measurement of exhaust gases with a temperature range of up to +850 °C. The methodology is based on two principles-luminescence and dark body radiat...

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Bibliographic Details
Published inSensors (Basel, Switzerland) Vol. 24; no. 12; p. 3703
Main Authors Hercík, Radim, Mikolajek, Martin, Byrtus, Radek, Hejduk, Stanislav, Látal, Jan, Vanderka, Aleš, Macháček, Zdeněk, Koziorek, Jiří
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 07.06.2024
MDPI
Subjects
Accuracy
dark current
Design
High temperature
Light
optical fiber
Principles
probe construction
Radiation
Resistance thermometers
ruby crystal
Sensors
temperature measurement
optical fiber
dark current
temperature measurement
ruby crystal
high temperature
probe construction
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Summary:This paper presents the construction of an innovative high-temperature sensor based on the optical principle. The sensor is designed especially for the measurement of exhaust gases with a temperature range of up to +850 °C. The methodology is based on two principles-luminescence and dark body radiation. The core of this study is the description of sensing element construction together with electronics and the system of photodiode dark current compensation. An advantage of this optical-based system is its immunity to strong magnetic fields. This study also discusses results achieved and further steps. The solution is covered by a European Patent.
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These authors contributed equally to this work.
ISSN:1424-8220
1424-8220
DOI:10.3390/s24123703