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A simulation design was presented to optimise the model of long period grating based fibre devices. The simulation used a modified phase matching condition to better estimate the resonance wavelengths in the transmission profile. Experiments were conducted to verify the results obtained in the simulation. The experimental results matched closely with the simulations.
In this paper, for the first time Python was used to model the long period fibre grating devices and simulate the light propagating in the waveguide structures in order to design and optimize LPFG devices for sensing applications. It begin with resolving the effective refractive index of the LP01 core mode and different cladding modes, followed by calculating the mode electric and magnetic fields...
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