Dual-coupling structure-based single-mode core-dislocated fiber temperature measurement method
A dislocation optical fiber and temperature measurement technology, which is applied in the field of single-mode dislocation optical fiber temperature measurement, can solve the problems of unguaranteed temperature sensor system research, complex optical path and signal processing system, irregular optical signal attenuation, etc. Compact structure and low power consumption
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[0012] The above-mentioned contents of the present invention are described in further detail below through the embodiments, but this should not be interpreted as the scope of the above-mentioned themes of the present invention being limited to the following embodiments, and all technologies realized based on the above-mentioned contents of the present invention all belong to the scope of the present invention.
[0013] A method for measuring temperature based on a single-mode dislocation optical fiber with a double-coupling structure. Based on the interference theory of light, the optical signal emitted by the 980nm pump light source 1 first passes through the 980 / 1550nm wavelength division multiplexer 2 (WDM) and the multi-turn single-mode doped The erbium fiber ring 3 passes through the optical isolator 4, and then the optical signal passes through the structure of the single-mode dislocated optical fiber 5, passes through the optical fiber circulator composed of the first opt...
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