Composite pulse magic echo sequence in three‐level systems
作者:
Li Gengying,
Wang Dongsheng,
Wu Xuewen,
期刊:
Review of Scientific Instruments
(AIP Available online 1988)
卷期:
Volume 59,
issue 4
页码: 569-572
ISSN:0034-6748
年代: 1988
DOI:10.1063/1.1139835
出版商: AIP
数据来源: AIP
摘要:
Composite pulse quadrupole echo sequences significantly reduce distortions due to finite pulse‐width effects, but they also produce phase dispersion leading to distortions of the quadrupolar powder line shape. In order to correct for phase errors arising from the composite pulse, we present the composite pulse magic echo sequence. It is demonstrated both experimentally and theoretically that the composite pulse magic echo sequence can eliminate phase distortions without considerably attenuating the signal‐to‐noise ratio. The performance of the new sequence is quite good.
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