Abstract Reflection performances of sampled Bragg gratings are simulated using the piecewise‐uniform method. The identical characteristics of reflection spectrum are emphasized in terms of the linewidth and reflectivity. A perfect comb filter with identical channel linewidth and uniform reflectivity is demonstrated, employing the sinc‐sampled grating. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 36: 84–87, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10681
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