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    • Generation of selective fringes with cascaded long-period gratings 

      Del Villar, Ignacio Upna; Achaerandio, Miguel Upna; Arregui San Martín, Francisco Javier Upna; Matías Maestro, Ignacio Upna (IEEE, 2006)   Artículo / Artikulua  OpenAccess
      The inscription of cascaded long-period gratings of different periods in optical fiber permits us to obtain both narrowband and wideband filters in the same spectrum. If used as an optical transducer, it may permit us ...