Abstract #1720

The Design of A Short Solenoid with Homogeneous B1 for A Low-field Portable MRI Scanner Using Genetic Algorithm

Zhi Hua Ren¹ and Shao Ying Huang¹

¹Engineering Product Development, Singapore University of Technology and Design, Singapore, Singapore

A short solenoid that provides field homogeneity with relatively low inductance and low length-to-radius ratio was successfully designed and validated to work in a Halbach array based portable MRI scanner. The optimization is done by applying genetic algorithm and by using Bio-Savart Law as a forward calculation model. The optimized design shows advantages of much higher homogeneity with a practically small length-to-radius ratio compared with a constant-pitch solenoid.

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