Construction of universal rotations from point-to-point transformations |
| |
Authors: | Luy Burkhard Kobzar Kyryl Skinner Thomas E Khaneja Navin Glaser Steffen J |
| |
Affiliation: | Department Chemie, Technische Universit?t München, Lichtenbergstrasse 4, D-85747 Garching, Germany. burkhard.luy@ch.tum.de |
| |
Abstract: | For a desired range of offsets, universal rotations of arbitrary flip angle can be constructed based on point-to-point rotations of I(y) with half the flip angle. This approach allows, for example, creation of broadband or bandselective refocusing pulses from broadband or bandselective excitation pulses. Furthermore, universal rotations about any axis can be obtained from point-to-point transformations that can easily be optimized using optimal control algorithms. The construction procedure is demonstrated on the examples of a broadband refocusing pulse, a broadband 120(x) degrees rotation and a z-rotation with offset pattern. |
| |
Keywords: | Refocussing pulses Universal pulses Universal rotations Optimal control theory z-Rotations Pattern pulses |
本文献已被 ScienceDirect PubMed 等数据库收录! |