Fig. 1. Cross-sectional view of 80/135 μm diameter panda fiber

Fig. 2. Simulation results of optical fiber stress and birefringence

Fig. 3. The change of optical fiber birefringence with coating diameter

Fig. 4. 80/135 μm optical fiber birefringence changes with stress zone structure

Fig. 5. 60/100 μm optical fiber birefringence changes with stress zone structure

Fig. 6. 80/135 μm optical fiber birefringence changes with material in stress zone

Fig. 7. 60/100 μm optical fiber birefringence changes with material in stress zone

Fig. 8. Partial diagram of fiber coil load force application

Fig. 9. Partial diagram of fiber coil stress simulation

Fig. 10. Effect of inner coating thickness on fiber core stress

Fig. 11. Effect of Young's modulus of inner and outer coatings on fiber core stress

Fig. 12. Effect of poisson's ratio of inner and outer coatings on fiber core stress