Multifunctional optical fiber sensor, measuring device and measuring system

The utility model discloses a multifunctional optical fiber sensor, a measuring device and a measuring system. The multifunctional optical fiber sensor comprises a first single-mode optical fiber, a few-mode optical fiber, a coreless optical fiber and a second single-mode optical fiber, a fiber core of the first single-mode optical fiber is in staggered connection with a fiber core of the few-mode optical fiber, the few-mode optical fiber is in butt joint with the coreless optical fiber, and the coreless optical fiber is in butt joint with the second single-mode optical fiber. The multifunctional optical fiber sensor in the embodiment realizes multifunctionalization of the optical fiber sensor, measures the strain and the temperature at the same time, reduces the influence of temperature change on the strain, reduces the measurement error, and can be widely applied to the field of optical fiber sensors. 本实用新型公开了一种多功能光纤传感器、测量装置和测量系统，所述多功能光纤传感器包括第一单模光纤、少模光纤、无芯光纤和第二单模光纤；所述第一单模光纤的纤芯与所述少模光纤的纤芯错位连接，所述少模光纤与所述无芯光纤对接，