With the increasing use of ultrahigh‐field MR with multiple transmit channels, mapping of the
B1+ field has become a critical factor in many studies, leading to the publication of a large …

Purpose Quantitative volumetric T 1 mapping in the liver has the potential to aid in the
detection, diagnosis, and quantification of liver fibrosis, inflammation, and spatially resolved …

Errors in the flip angle have to be corrected in many magnetic resonance imaging
applications, especially for T1 quantification. However, the existing methods of B1 mapping …

Purpose Highly accelerated B‐mapping based on the Bloch–Siegert shift to allow 3D
acquisitions even within a brief period of a single breath‐hold. Theory and Methods The B …

Purpose This paper aims to investigate the impact of the channel numbers on the
performance of B 1+ mapping, by using the Bloch-Siegert shift (BSS) method. B 1+ mapping …

Purpose To optimize the design and demonstrate the integration of a helmet‐shaped
container filled with a high‐permittivity material (HPM) slurry with RF head coil arrays to …

Purpose To propose a new phase‐based B1‐mapping method that exploits phase
information created by hyperbolic secant (HS) pulses in conventional 2D spin‐echo …

Knowledge of the transmission field (B1+) of radio-frequency coils is crucial for high field
(B0= 3.0 T) and ultrahigh field (B0≥ 7.0 T) magnetic resonance applications to overcome …

Abstract Background Actual Flip angle Imaging (AFI) is a sequence used for B1 mapping,
also embedded in the Variable flip angle with AFI for simultaneous estimation of T1, B1 and …

Magnetic resonance electrical properties tomography (MR EPT) can retrieve permittivity from
the B 1+ magnitude. However, the accuracy of the permittivity measurement using MR EPT …