Sheet type giant magnetostrictive magnetic field sensor based on fiber Bragg grating
A giant magnetostrictive and magnetic field sensor technology, which is applied in the use of magneto-optical equipment for magnetic field measurement, the size/direction of the magnetic field, etc., can solve problems such as difficult to use magnetic field measurement, and achieve high reliability, strong anti-interference ability, Ease of forming a sensor network
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[0020] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the present invention is not limited.
[0021] The sheet type giant magnetostrictive magnetic field sensor based on fiber grating provided by the present invention has a structure such as figure 1 Shown: including giant magnetostrictive sheet 1 and fiber grating 2. The magnetostriction of the giant magnetostrictive sheet 1 is along its thickness direction. The fiber grating 2 is perpendicular to the magnetostrictive direction of the giant magnetostrictive sheet 1, and it is pasted on the side along the length L direction of the giant magnetostrictive sheet 1 to form a sheet-type giant magnetostrictive magnetic field sensor based on a fiber grating.
[0022] The giant magnetostrictive sheet 1 is a sheet made by cutting a TeDyFe rod.
[0023] The thickness t direction of the giant magnetostrictive sheet 1 is the magnetostrictive direction, and the mag...
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