科研之友
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摘要
In this letter, a rotation sensor based on a chirped fiber grating for detecting the rotary position with a full 360 degrees shaft is proposed. A full circle reading 9.9 nm of wavelength shift for detecting the shaft%26apos;s rotation angle is experimentally demonstrated. The sensor can be used to measure a rotor%26apos;s rotation angle in random directions while continuously rotating in the same direction. The operation mechanism is mainly based on the shift of the reflective wavelength peak of a chirped fiber grating caused by a rolled ball type magnet in accordance with the shaft%26apos;s rotated angle.
- 出版日期2014-1-15
