▎ 摘　　要

NOVELTY - The utility model claims a graphene fiber pressure sensor, comprising an optical fibre and a graphene film, light end of the fibre is provided with a concave cavity, a graphene film covers the end and concave cavity, concave cavity and the graphene film of light fiber Fabry-Perot cavity is formed. A pressure measuring device of graphene optical fibre pressure sensor, light splitter splits light emitted from the light source device of splitting according to proportion, part of the light through the optical coupler to the Fabry-Perot cavity of graphene optical fibre pressure sensor, reflected light is transmitted to the photoelectric receiver after received by the optical coupler, and the other part of light is transmitted to the photoelectric receiver is a photoelectric receiver and a second photoelectric receiver output end connected with the input end of the data processor, the output end of the data processor is connected with a display device. The utility model has simple structure, eliminates the influence of the light source stability and light disturbance, the practicability is strong, the measuring precision is high and the cost is low, and the method has strong controllability, has wide applicability and practicability.