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In this paper we demonstrate the terahertz propagation characteristics of 3D printed hollow core fibers with inner capillaries. The fibers were numerically characterized using a beam propagation method software. The guidance is supported by antiresonant effect and the spectral transmission was evaluated until 1.6 THz. Special designs were proposed exploring the versatility of 3D printing technique...
The design and modelling of a novel magnetic field sensor based on a long period fiber grating coated with a thin film of N doped ZnO is reported. The parameters of both, the grating and the thin film were carefully chosen to operate in the transition mode and near to the dispersion turning point. At this point, an LPFG shows its maximum sensitivity to external refractive index variations. The magnetic...
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