Phase-Modulated Sensors

MacDougall, Trevor W.; Méndez, Alexis; Krohn, David A.

doi:10.1117/3.1002910.ch4

Cited by 1 publication

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“…• Phase sensors using a highly coherent source of radiation and measuring the phase of a light wave that changes under the influence of the external parameters [3].…”

Section: Types Of Fiber-optic Sensorsmentioning

confidence: 99%

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Fiber-Optic Temperature Sensors with Chalcogenide Glass and Crystalline Sensing Element

Chychura¹

2020

Optical Fiber Applications

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Fiber-optic temperature sensors (FOTSs) are competitive in cases where it is necessary to provide stable operation in harsh operating conditions-strong electromagnetic fields, elevated background radiation, and explosive environmentand at large distances between sensing element and receiving device. In addition to high reliability and stability when measurements are performed in extreme conditions, such sensors have good metrological characteristics. For FOTSs the main functional node is a temperature-sensitive element (TSE), which defines the main operational and metrological characteristics of these devices. Therefore, the search for new promising materials for innovative TSEs is relevant. From this point of view, chalcogenide amorphous materials of the As x Se 100-x system deserve special attention. They are characterized by a unique combination of high inertia under the influence of intensive external factors and the possibility of significant changes of their optical parameters with changing of their chemical composition within the range of glass formation. In this scientific work, a comparative analysis of opportunities for traditional GaAs crystals and As x Se 100-x chalcogenide glasses for TSEs of modern FOTSs is carried out.

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“…• Phase sensors using a highly coherent source of radiation and measuring the phase of a light wave that changes under the influence of the external parameters [3].…”

Section: Types Of Fiber-optic Sensorsmentioning

confidence: 99%

“…The principle of operation of the fiber-optic temperature sensor: (1) spectrum of light source radiation; (2,3,4) the dependence of the optic transmittance of the material on the wavelength λ at different temperatures T2 < T3 < T4.…”

Section: Figurementioning

confidence: 99%

Fiber-Optic Temperature Sensors with Chalcogenide Glass and Crystalline Sensing Element

Chychura¹

2020

Optical Fiber Applications

View full text Add to dashboard Cite

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Phase-Modulated Sensors

Cited by 1 publication

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Fiber-Optic Temperature Sensors with Chalcogenide Glass and Crystalline Sensing Element

Fiber-Optic Temperature Sensors with Chalcogenide Glass and Crystalline Sensing Element

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