Abstract #0030
Spin Echoes in the Weak Dephasing Regime
Jakob Asslnder 1 , Simone Kcher 2 , Steffen Glaser 2 , and Jrgen Hennig 1
1
Dept. of Radiology - Medical Physics,
University Medical Center, Freiburg, Germany,
2
Dept.
of Chemistry, Technische Universitt Mnchen, Germany
It is shown that, for small flip angles, it is possible
to form spin echoes after a single excitation pulse,
where the time between the end of the pulse and the echo
is longer than the length of the pulse itself. This is
in contrast to standard Hahn-echo pulse sequences, where
the length of the pulse sequence is in approximation
equal to the time between the end of the composite pulse
and the echo. The sequence is implemented into a FLASH
sequence. At the example of lung pulmonary imaging
signal enhancement is demonstrated in comparison to a
standard FLASH sequence.
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