Table 1.

Dimensions of the volume (VR) and dielectric (DR) resonators operating in TE₀₁₁ and as ${\text{TE}}_{011}^d$ modes at ν_res = 32 GHz obtained by numerical simulations, the dimensions of the actual DR and its relevant parameters

Dimensions and νres	Calculated VR	Calculated DR	Actual DR
Cavity length	12.3	3.8	4.0
Cavity i.d. or o.d. of the sapphire cylinder	12.3	4.25	4.25
Sample hole diameter (dSH)	–	1.7	1.9
Iris diameter	2.7	2.0	2.0
Coupling wall thickness	0.32	0.32	0.2
Sample tube o.d/i.d	3/2.8	1.7/1.5	1.8/1.5
Diameter of the holes in the upper/lower plugs	3.2/1.0	1.8/1.0	2.0/1.0
νres (GHz)	31.598	32.24	~34.5a
QL, sample volume (mm3) and conversion factor (mT/√W)			~180; 5–6; ≥0.2

All dimensions are in millimeters; Radial and axial dielectric constants of sapphire used in simulations were 9.345 and 11.585, respectively; Drilled-sapphire cylinder was manufactured by Insaco Corp. (http://www.insaco.com/MatPages/mat_display.asp?M=Sapphire)

^aResonance frequency of the actual DR with the inserted CV1518S sample tube