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Ultra-narrow band transmission filter using a phase-shift chirped fiber Bragg grating concatenated with a broadband rejection filter

2009; SPIE; Volume: 7503; Linguagem: Inglês

10.1117/12.835432

1996-756X

D. A. Pereira, F. M. Araújo, Luís Ferreira, Manuel B. Marques, J. L. Santos, J. Pereira do Carmo,

Advanced Fiber Laser Technologies

An ultra-narrow transmission filtering scheme that combines the response of a phase-shift fiber Bragg grating and a broadband rejection micro-optical filter is proposed. The full implementation process is disclosed starting from the simulated spectral responses, grating fabrication and final assembling and test. This scheme intends to be an alternative and feasible engineering solution for one-end optical filtering interface for signal processing and analysis.