Fig 1.
Cross section and notations of the proposed leaky-MTF with leakage gaps.
Fig 2.
Fiber performance with different bending radius.
(a) Simulated losses of the FM and HOMs of the standard MTF with a = 15 μm, t = 2 μm, d = 8 μm and Δn = 0.005 for different bend radii. Inset pictures show the computed normalized electric field of the FM and HOMs at a bend radius of 17 cm, 29 cm, 21 cm and 11 cm, respectively. (b) The Aeff for the FM at different bend radii.
Fig 3.
Fiber performance with different width of gaps.
(a) Simulated losses of the FM and HOMs and LR of the leaky-MTF with a = 15 μm, t = 2 μm, d = 8 μm and Δn = 0.005 for different bend radii. (b) The Aeff for the FM at different bend radii.
Fig 4.
Contour line graphs of the mode field distribution of LP01, LP11v and LP11h mode of the leaky-MTF with tgap = 0, 4 μm, 6 μm, 7 μm and 8 μm.
Fig 5.
Fiber performance with different width of gaps.
(a) Simulated losses of the FM and HOMs and LR of the leaky-MTF with a = 25 μm, t = 6 μm, d = 10 μm, R = 15 cm and Δn = 0.007 for different gap width. (b) The Aeff for the FM at different gap width.
Fig 6.
Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with tgap = 18 μm, t = 6 μm, d = 10 μm, R = 15 cm and Δn = 0.007 for different core radius.
Fig 7.
Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with a = 25 μm, tgap = 18 μm, d = 10 μm, R = 15 cm and Δn = 0.007 for different thickness of low RI trenches.
Fig 8.
Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with a = 25 μm, t = 6 μm, tgap = 18 μm, R = 15 cm and Δn = 0.007 for different thickness of high RI rings.
Fig 9.
Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with a = 25 μm, tgap = 18 μm, t = 6 μm, d = 10 μm and R = 15 cm for different RI difference.
Fig 10.
Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with a = 25 μm, tgap = 18 μm, t = 6 μm, d = 10 μm, R = 15 cm and Δn = 0.007 for different wavelength.
Fig 11.
Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with a = 25 μm, t = 6 μm, d = 10 μm, tgap = 18 μm, Δn = 0.007 and Φ = 0° for different bending radius.
Fig 12.
Contour line graphs of the mode field distribution of LP01, LP11v and LP11h mode of the leaky-MTF with R = 80 cm, 15 cm and 5 cm.
Fig 13.
Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with a = 25 μm, tgap = 18 μm, t = 6 μm, d = 10 μm, R = 15 cm and Δn = 0.007 for different bending orientation.
Fig 14.
Joint effects of bending orientation (Φ) and gap width (tgap) on (a) loss of FM, (b) loss of lowest-HOMs, (c) LR and (d) mode area with a = 25 μm, t = 6 μm, d = 10 μm, R = 15 cm and Δn = 0.007.
Fig 15.
(a-c) Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with a = 25 μm, tgap = 18 μm, t = 6 μm, d = 10 μm, R = 15 cm and Δn = 0.007 for different t1, t2 and t3, respectively.
Fig 16.
(a-b) Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with a = 25 μm, tgap = 18 μm, t = 6 μm, d = 10 μm, R = 15 cm and Δn = 0.007 for different d1 and d2, respectively.
Fig 17.
(a-c) Simulated losses of the FM and HOMs and mode area of FM of the leaky-MTF with a = 25 μm, tgap = 18 μm, t = 6 μm, d = 10 μm, R = 15 cm and Δn = 0.007 for different tg1, tg2 and tg3, respectively.