Radiofrequency pulse design with numerical optimization in the Fourier domain.
Andrew Michael HuettnerAndrew Scott NenckaPublished in: Magma (New York, N.Y.) (2016)
A pair of 90° and 180° spin-echo pulses was designed to lower SAR without the need for a variable slice gradient. The optimized pulses were deployed to a 7.0 T human scanner to demonstrate a reduction in SAR while retaining signal-to-noise (SNR) ratio.