Fig. 1. Light field distribution and normalized energy distribution of MZI propagation at 1064 nm

Fig. 2. Optical micrograph of the prepared S-shaped-dislocation micro-fiber structure

Fig. 3. Device for measuring the twisting characteristics of the sensor

Fig. 4. Interference spectral response of the twisted fiber

Fig. 5. Linear fitting of different indicating dips

Fig. 6. Device for measuring the strain characteristics of the sensor

Fig. 7. Strain interference spectrum response of the sensor and the fitting curve of the indicating dip intensity under different strain conditions

Fig. 8. Measuring device for temperature cross-sensing

Fig. 9. Wavelength shift of response interference spectrum