Low reflectivity fiber bragg grating with rectangular reflection function
作者： Robert A. Modavis , Donald B. Keck
DOI:
关键词: Optical fiber 、 Materials science 、 PHOSFOS 、 Diffraction 、 Fiber Bragg grating 、 Wavefront 、 Grating 、 Side lobe 、 Optics 、 Optoelectronics 、 Long-period fiber grating
摘要: Fiber Bragg gratings of low reflectivity are given a squared function in the form tophat configuration having flat top and lacking undesirable side lobes (12). Such for fiber grating is achieved by interfering diffracted beam (20) with plane wavefront so as to impose sinc on resulting interference pattern that imprints an optical (10).
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