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Figure 1

From: Radial Photonic Crystal for detection of frequency and position of radiation sources

Figure 1

Dispersion diagram of the ideal RPC structure with full set of constitutive parameters.

Cut-off frequencies of modes with q > 0 are equally spaced (aprox. 1.1 GHz). Lower right inset represents a 4 layers (finite size) device with internal cavity of radius r = 15 mm and periodicity da = db = 5 mm. Dots and associated E-field patterns correspond to the resonance frequencies of the selected operation mode (q = 3; f = 3.8 GHz) and adjacent ones of the 4-layers RPC shell.

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