EFPI strain sensor

The utility model provides an EFPI strain sensor which comprises an EFPI sensitive structure, an angle adjusting structure, an optical fiber collimator and a transmission optical fiber which are arranged in sequence, and the EFPI sensitive structure is arranged on the surface of a structure to be me...

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Bibliographic Details
Main Authors WANG WEI, MAO GUOPEI, LI JINYANG, YANG HAO, MA CONG, SHI QING
Format Patent
LanguageChinese
English
Published 04.07.2023
Subjects
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
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Summary:The utility model provides an EFPI strain sensor which comprises an EFPI sensitive structure, an angle adjusting structure, an optical fiber collimator and a transmission optical fiber which are arranged in sequence, and the EFPI sensitive structure is arranged on the surface of a structure to be measured to form an EFPI cavity and outputs an optical signal after sensing the strain change of the structure to be measured. The angle adjusting structure is arranged between the EFPI sensitive structure and the optical fiber collimator for light path turning, the optical fiber collimator outputs an optical signal to the angle adjusting structure after collimating the optical signal, and the optical fiber collimator receives the optical signal output by the angle adjusting structure and transmits the optical signal to the transmission optical fiber. According to the utility model, the sensitive structure and the transmission optical fiber of the conventional optical fiber EFPI strain sensor which are integrally con
Bibliography:Application Number: CN202223137660U