A Comparative Study of the Uhrig Dynamic Decoupling (UDD) and CPMG Pulse Sequences
Jonathan Phillips 1 and Sophie Schirmer 2
Institute of life Science, College of
Medicine, Swansea University, Swansea, Wales, United
Department, Swansea University, Swansea, Wales, United
It has been suggested that the UDD sequence, originally
developed to extend the lifetime of qubits in quantum
computing, may be used as an imaging sequence to extend
the coherence lifetime in tissues to elucidate different
tissue structures. We performed phantom studies to
investigate these claims. We find evidence of lifetime
extension although the interpretation of the images is
complicated by steady state effects i.e. banding.
However, the sequence may elucidate three-dimensional
structure near tissue boundaries as well enhancing
fat-water contrast at large repetition times.
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