Millimetre-Wave Metamaterial-Based Sensor for Characterisation of Cooking Oils

Table 3

Comparison with the other designed resonators.

Reference	Sensor design	Method of sensing	Operating frequency (GHz)	Sensitivity (GHz)	Application
[26]	SIW	S11	16	0.14	Chemical
[27]	CSRR	S21	2.3	0.1	Alcohol
[10]	PSRR	S21	1.9	0.2	Bacterial growth
[28]	Omega	S21	2	0.05	Methanol
[38]	CSRR resonator	S11	2.5	0.5	Glucose
[39]	M-CRR	S21	2.4	0.06	Liquids
[40]	PMWR	S21	1.5	0.01	Liquids
This study	MM-SRR	S21	30	1.12	Oils