Fast broadband inversion by adiabatic pulses
Fast broadband inversion by adiabatic pulses
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DOI：
10.1006/jmre.1998.1441
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发表时间：
1998-07-01
影响因子：
2.2
通讯作者：
Garwood, M
中科院分区：
文献类型：
--
作者：
Hwang, TL;van Zijl, PCM;Garwood, M
尽管补偿抵消偏移和B-1不均匀性具有补偿的优势，但绝热脉冲尚未在高分辨率NMR中普遍使用，这通常是因为这些脉冲需要更长的时间或增加执行功率的概念。我们表明，可以优化具有切向频率扫描和其他频率调节功能的绝热脉冲，可以在现代高强度下使用192和64 MU的脉冲长度来完成C-13和H-1宽带反演，分别使用192和64 MU s。 - 分辨率探针。 （c）1998学术出版社。
Despite the advantages of compensation for resonance offset and B-1 inhomogeneity, adiabatic pulses are not yet in general use in high-resolution NMR, often because of the conception that these pulses require longer time or increased power to perform. We show that adiabatic pulses with tangential frequency sweeps and other frequency-modulation functions can be optimized to accomplish C-13 and H-1 broadband inversion using pulse lengths of 192 and 64 mu s, respectively, at B-1 strengths available with modern high-resolution probes. (C) 1998 Academic Press.