Fig. 1. Cross section of fiber and 3D perspective diagram of fiber. (a) Cross section of fiber; (b) 3D perspective diagram of fiber

Fig. 2. Effect of slit width on loss

Fig. 3. Effect of helix pitch on loss

Fig. 4. Effect of ring thickness on loss

Fig. 5. Effect of fiber core radius on loss and mode field area

Fig. 6. Effects of refractive indexes n₀ and n₂ on loss

Fig. 7. Effect of wavelength variation on loss

Fig. 8. Effect of slit width on bending loss

Fig. 9. Effect of helix pitch on bending loss

Fig. 10. Effect of bending radius on bending loss

Fig. 11. Effect of fiber core radius on bending loss

Fig. 12. Effect of ring thickness on bending loss

Fig. 13. Output electric field diagrams of optical fiber