Abstract
Methods and apparatus for broadband decoupling in nuclear magnetic resonance with chirp and other RF pulses are disclosed. Such methods include positioning the sample in a static field, providing a first cycle of chirp pulses wherein at least two of the pulses have a different initial phase angle from each other, providing a second cycle of pulses wherein at least two of the pulses in the second cycle have an initial phase angle different from the initial phase angles of the pulses in the first cycle. Further steps include repeatedly generating a supercycle of the first and second cycles to produce pulses for inverting the longitudinal magnetization in the sample and may also detect the signals emitted by the sample in response to inversion of the longitudinal magnetization. Apparatus for performing the disclosed method is also provided.
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