Cooperative broadband spin echoes through optimal control

Wolfgang Kallies, Steffen J. Glaser

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

13 Zitate (Scopus)

Abstract

The Hahn echo sequence is one of the most common building blocks in magnetic resonance, consisting of an excitation pulse and a refocusing pulse. Conventional approaches to improve the performance of echo experiments focused on the optimization of individual pulses, compensating their own imperfections. Here we present an approach to concurrently design both pulses such that they also compensate each others imperfections. The fact that for such cooperative pulses the individual pulses do not need to be perfect provides additional degrees of freedom, resulting in improved overall Hahn echo performance. Single-scan cooperative pulses are compared to conventional approaches by simulations as well as experiments.

OriginalspracheEnglisch
Seiten (von - bis)115-137
Seitenumfang23
FachzeitschriftJournal of Magnetic Resonance
Jahrgang286
DOIs
PublikationsstatusVeröffentlicht - Jan. 2018

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