Basic FBG Apodization Functions Effects on the Filtered Optical Acoustic Signal

Mahmoud M. A. Eid, ahmed nabih zaki Rashed

Abstract


This article clarified the basic fiber Bragg grating (FBG) apodization functions effects on the filtered optical acoustic signal (AS). Max optical acoustic power variations after acousto optic filter is clarified with the spectral wavelength variations. FBG apodization functions are uniform, Gaussian, and Tanh. We have tested the max optical acoustic power variations after various apodization FBG functions with the spectral wavelength variations. The max AS power amplitude after the electrical combiner is reported based various Apodization FBG functions. The max optical AS after FBG is studied with various FBG lengths for various FBG apodization functions at the central wavelength of 1.55 μm. The max electrical power after power combiner unit is demonstrated with different FBG lengths for various FBG apodization functions at the central frequency of 193.1 THz.


Keywords


Acoustic Signal Gaussian Apodization Uniform Apodization Tanh Apodization

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DOI: http://doi.org/10.11591/ijeecs.v22.i1.pp%25p
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