Multi-side-cast temperature compensation SPR (Surface Plasmon Resonance) sensor based on multimode optical fiber

The invention discloses a multi-side-cast temperature compensation SPR (Surface Plasmon Resonance) sensor based on a multimode optical fiber, which comprises a halogen wide-spectrum light source for emitting light; the dual-channel optical fiber SPR sensor is connected with the halogen wide-spectrum light source and is used for changing the optical wavelength according to the environment; the quartz V-shaped groove sheet is connected with the dual-channel optical fiber SPR sensor and is used for fixing an optical fiber in the dual-channel optical fiber SPR sensor; the spectrum analyzer is connected with the dual-channel optical fiber SPR sensor and is used for receiving the optical signal transmitted by the dual-channel optical fiber SPR sensor and converting the optical signal into an electric signal; and the computer is connected with the spectrum analyzer and is used for converting the electric signal into an analog signal and displaying the analog signal. According to the multi-side-cast temperature compe