Abstract
A method based on Hilbert-transforms is used to reconstruct phase, group-delay and impulse response from magnitude-only information regarding the S 11 and S 21 parameters of photonic crystals (PC) constructed by periodically etching the ground plane of a microstrip line. Measurements show that for many practical cases this allows us to fully characterize the devices with a simple scalar network analyser instead of more sophisticated and expensive instrumentation, such as a vector network analyzer (VNA).
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Erro, M.J., Arnedo, I., Laso, M.A.G. et al. Phase-reconstruction in photonic crystals from S-parameter magnitude in microstrip technology. Opt Quant Electron 39, 321–331 (2007). https://doi.org/10.1007/s11082-007-9079-3
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DOI: https://doi.org/10.1007/s11082-007-9079-3