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. 2017 Feb 21;18(1):13. doi: 10.1007/s11220-017-0162-y

Table 4.

Quality factor (Q values) of the measured curves of samples obtained from both the S21 and S11 signals

Sample tested Measured signal, S21 or S11 (dB) Frequency of measurement (GHz) Q value
Empty cavity S21 6.00–6.25 3619.41
Empty tube 3618.88
Silver chloride 2587.38
Silver oxide 530.56
Empty cavity S21 7.10–7.16 3424.29
Empty tube 2663.00
Silver chloride 3996.00
Silver oxide 1844.23
Empty cavity S11 7.95–8.00 6689.47
Empty tube 6684.14
Silver chloride 3345.12
Silver oxide 836.10