Wavelength band-rejection filters based on optical fiber fattening by fusion splicing |
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| Authors: | RI Mata-Chvez A Martinez-Rios I Torres-Gomez JA Alvarez-Chavez R Selvas-Aguilar J Estudillo-Ayala |
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| Institution: | aCentro de Investigaciones en Óptica, Lomas del Bosque 115, Colonia Lomas del Campestre, 37150 León, Guanajuato, México;bFacultad de Ciencias Físico Matemáticas, UANL, Cd. Universitaria, N.L., 66450, México;cDepartamento de Electrónica, FIMEE, Universidad de Guanajuato. A.P. 215-A 36730 Salamanca Gto., México |
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| Abstract: | A novel method to fabricate optical fiber band-rejection filters based on optical fiber fattening is presented. In this method, the fiber fattening is realized by applying a standard fusion splicing procedure on bare dispersion-shifted fibers. The method does not require additional special fixtures and can be implemented in any commercial fusion splicer machine. Using this method, we have fabricated short dispersion-shifted fiber filters with less than 3 mm length, >20 dB notch depths, and >100 nm bandwidth. |
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| Keywords: | Fattening Fiber devices Fusion splicing |
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