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This paper presented a silica fiber optic modeling in transverse electric and transverse magnetic for various core diameters and for a tapered fiber with 2 μm waist core diameter using Finite Element Method (FEM). The effective refractive index of silica fiber for core diameter 1 μm to 8 μm are registered between 1.44276 and 1.448. Effective refractive index for fundamental mode are 1.3557 and 1.3545...
In this paper, we model the cross-sectional area for transition region of a tapered standard silica fiber using Finite Element Method (FEM). Simulation result shows changes of acoustic wave behavior propagating through the transition region. Frequency shift of transition region for 2 pm to 8 pm core diameter falls between 7.029 GHz and 6.889 GHz. Acoustic velocity for the fundamental mode propagation...
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