This application note shows how to simulate long-period fiber gratings (LPGs) using a helically twisted fiber instead of traditional UV-inscribed gratings. Using BeamPROP, a full 3D model of helical f...
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The transmittivity/reflectivity and input spectrum pulse intensity of long-period Bragg sensor variations are simulated against the grating wavelength variations.
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A simulation model based on the finite-element method (FEM) and transfer matrix method (TMM) is developed for analyzing mechanical long-period fiber gratings (MLPFGs).
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Simulation of Long-Period Fiber Gratings Formed with Helical Fiber. This application note shows how to simulate long-period fiber gratings (LPGs) using a helically twisted fiber instead of traditional UV
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The simulation tool uses MatLab code. The software produces also estimations of the resonant wavelength displacement due to changes in external parameters like temperature or
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According to the three-layer structure model of fiber and the theory of fiber coupling mode, the mode coupling characteristics of LPFG are deduced and simulated by MATLAB. The LPFG transmission
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We present a new class of long-period fiber gratings that can be used as in-fiber, low-loss, band-rejection filters.
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In this paper, we investigate modification of transmission spectra of long-period fiber grating structures with an acoustic shock front propagating along the fiber.
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It can provide theoretical reference for the structure parameters design of the long-period fiber grating.
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