Fast Broadband Inversion by Adiabatic Pulses
β Scribed by Tsang-Lin Hwang; Peter C.M. van Zijl; Michael Garwood
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 153 KB
- Volume
- 133
- Category
- Article
- ISSN
- 1090-7807
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π SIMILAR VOLUMES
Adiabatic RF pulses play an important role in spin inversion due to their robust behavior in the presence of inhomogeneous RF fields. These pulses are characterized by the trajectory swept by the tip of the Beff vector and the rate of motion along it. In this paper, we describe a method by which opt
## Abstract Optimization of constant amplitude broadband inversion pulses for maximum inversion over a range of multiple fields yields more regular pulses with better tolerance to __B__~1~ errors than those optimized for a single field. These multiβfrequency improved constant amplitude (MICA) pulse
## Abstract A new adiabatic inversion pulse and its design principles are presented. An analytical expression in the pulse length, inversion bandwidth, inversion efficiency, peak RF amplitude, and width of the transition region is derived and validated. Accordingly, the pulse shape can be adapted t