23 January 1997 Fabrication of high-rejection low-loss filters by the concatenation of broadly chirped fiber Bragg gratings
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Abstract
Single- and multiple-bandpass filters with broad, high- rejection stopbands and narrow, low-loss passbands are significant components for fiber networks. Hitherto, this combination of characteristics has proved elusive using in- fiber grating techniques. Here, we report the realization of practical single-passband filters synthesized from concatenated chirped broadband fiber gratings written holographically in a highly photosensitive fiber. Practical, low-loss (less than 2 dB), single-passband fiber Bragg grating transmission filters have been fabricated with greater than 30 dB out-of-band rejection over a 25 nm spectral width.
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Kate Sugden, Kate Sugden, Lin Zhang, Lin Zhang, Lorna A. Everall, Lorna A. Everall, Ian Bennion, Ian Bennion, } "Fabrication of high-rejection low-loss filters by the concatenation of broadly chirped fiber Bragg gratings", Proc. SPIE 2998, Photosensitive Optical Materials and Devices, (23 January 1997); doi: 10.1117/12.264189; https://doi.org/10.1117/12.264189
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