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  • Title: Low-power MRI by Frank-sequence excitation.
    Author: Amor N, Blümich B.
    Journal: J Magn Reson; 2011 Aug; 211(2):143-8. PubMed ID: 21641246.
    Abstract:
    Recently, a new NMR method employing an rf excitation scheme with strongly reduced power has been introduced, which is based on modulating rf pulses according to Frank sequences. For many applications, a reduction of rf power is essential, e.g. to eliminate bulky rf pre-amplifiers or in medical high-field MRI to preserve patient safety. Another benefit of the new scheme are very short dead times allowing for measurements of samples with short relaxation times. In this work, Frank-sequence excitation is used for low-power imaging for the first time. Results of one-, two-, and three-dimensional imaging experiments are presented and compared to conventional images.
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