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The calculation principle of sampled FBG, which is called transfer matrix method, is analyzed and the simulation software is designed. The sampled FBG is simulated with the software we designed and is fabricated by ourselves.The experiment result fits well with the simulated one.It is concluded that to improve the refractive modulation index is an effective way to fabricate a sampled FBG with high-reflectivity.
The calculation principle of sampled FBG, which is called transfer matrix method, is analyzed and the simulation software is designed. The sampled FBG is simulated with the software we designed and is fabricated by. The experiment result fits well with the simulated one.It is concluded that to improve the refractive modulation index is an effective way to fabricate a sampled FBG with high-reflectivity.