Device and method for measuring temperature and radiation with fiber Bragg grating sensor
A technology of fiber optic Bragg and grating sensors, which is applied in the direction of measuring devices, radiation pyrometry, thermometers, etc., can solve the problems of radiation influence and temperature influence, and achieve the effect of preventing accidents from expanding
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[0030] Next, preferred embodiments of the device and method using the fiber Bragg grating sensor of the present invention as both a temperature and radiation sensor will be described in detail with reference to the accompanying drawings. First of all, it should be noted that with regard to the reference numerals assigned to the components in the drawings, the same reference numerals are used as much as possible even if the same components are shown in different drawings. In addition, when describing the present invention, if the detailed description of related known configurations or functions is considered to be irrelevant to the gist of the present invention, the detailed description will be omitted.
[0031] The principle of light propagation in the optical fiber is the principle of total reflection, that is, when light propagates from a material with a high refractive index to a material with a low refractive index, all light within a certain angle range from the interface ...
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