Simple design technique for a triangular FBG filter based on a linearly chirped grating |
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Authors: | Qiang Wu Gerald Farrell Yuliya Semenova |
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Institution: | Photonics Research Center, School of Electronic and Communications Engineering, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland |
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Abstract: | A novel and simple design technique for triangular spectrum response of fibre Bragg grating (FBG) is presented based on a linear chirped grating. It is shown that this method is fast and can give a straightforward solution to meet a design target. The numerical simulation examples verified the effectiveness of the design method. A general approach to design for multichannel triangular spectral responses for FBG filters is proposed, which provides a solution that achieves a minimum change of refractive index for the fibre. |
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Keywords: | Fibre Bragg grating Edge filter FBG sensor Triangular filter |
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