Device and method for on-line monitoring of optical fiber Bragg grating transmission line
A transmission line and optical fiber technology, which is applied in the field of on-line monitoring devices for optical fiber Bragg grating transmission lines, can solve the problems of poor anti-interference ability, short service life, and low sensitivity, and achieve strong anti-interference ability, long service life, and high sensitivity. Effect
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[0050] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0051] Fiber Bragg grating is a narrow-band reflection filter passive device with excellent performance. The fiber Bragg grating has the characteristics of small temperature deformation, strong deformation ability, and accurate measurement data. For example, the fiber Bragg grating can be used in transmission line monitoring. Will greatly improve the level of online monitoring.
[0052] Through the study of Bragg grating strain gauges, such as figure 1 , figure 2 , image 3 and Figure 4 As shown, a fiber bragg grating transmission line online monitoring device and method are provided. The optical fiber bragg grating transmission line online monitoring device a...
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