. Author manuscript; available in PMC: 2021 Jul 16.

Published in final edited form as: Med Phys. 2020 Jul 19;47(9):4101–4114. doi: 10.1002/mp.14306

Table III.

Maxima from 3 T Siemens MRI field homogeneity measurements for 24 and 35 cm DSV phantoms.

Unit	DSV (cm)	Prisma		Vida		mMR
Unit	DSV (cm)	Full shim	Gradshim only	Full shim	Gradshim only	Full shim	Gradshim only
Field homogeneity (ppm)
pk-pk	24	0.386	0.696	0.816	1.232	1.046	1.208
	35	2.378	2.075	3.268	3.296	^a	^a
VRMS	24	0.024	0.084	0.049	0.183	0.087	0.090
	35	0.067	0.136	0.150	0.366	^a	^a
SD	24	0.023	0.084	0.048	0.183	0.087	0.090
	35	0.067	0.136	0.150	0.366	^a	^a
FWHM	24	0.107	0.273	0.174	0.517	0.252	0.316
	35	0.158	0.317	0.237	1.079	0.379	0.521

Indicates the measurement was affected by significant signal dephasing.