Crystal-optical and fiber-optic temperature measurement methods: technologies and prospects
Abstract
This article provides an overview of modern temperature measurement methods using crystal-optical
and fiber-optic thermal converters aimed at improving measurement accuracy in harsh conditions. The
properties of anisotropic crystals, which ensure high measurement accuracy under challenging
conditions, such as elevated temperatures, strong electromagnetic fields, and vacuum, are discussed.
Special attention is paid to interferometric systems, such as Fabry-Perot interferometers and photonic
crystals, as well as fiber-optic sensors, in particular Bragg gratings (FBG). A comparative analysis of
the advantages and disadvantages of these methods compared to classical temperature measurement
approaches, such as thermocouples and infrared sensors, is conducted. The prospects of using fiberoptic sensors in high-tech industries, thermoresistive aerospace, energy, and medicine, are highlighted.
Opportunities for further development of technologies to ensure greater measurement accuracy and
stability in real-time applications are outlined.
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Copyright (c) 2024 Богдан Бондар, Михайло Степаняк (Автор)
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