Low-frequency three-dimensional ESR imaging of large samples
- 1 September 1988
- journal article
- research article
- Published by IOP Publishing in Journal of Physics E: Scientific Instruments
- Vol. 21 (9) , 910-913
- https://doi.org/10.1088/0022-3735/21/9/022
Abstract
Presents an apparatus for performing a true 3D electron spin resonance image reconstruction at low microwave frequency (1.3 GHz). The gradients Gzz, Gzx, Gzy of the field Bz along the three perpendicular axes are directly controlled by a personal computer which is also used to store the converted signals and to compute the spin-density function from the projections. The mathematical technique used is a filtered projection obtained by means of the Fourier transforms, called 3D Fourier reconstruction. Examples of signal reconstruction on phantoms are given.Keywords
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