Fig. 9

For method 1 (a) Transmission frequency shifts with permittivity increase and Linear Fit with the frequency shift response for (b) 6.36 GHz and (c) 8.04 GHz.

For method 1 (a) Transmission frequency shifts with permittivity increase and Linear Fit with the frequency shift response for (b) 6.36 GHz and (c) 8.04 GHz.