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. 2017 Jul 31;7:6872. doi: 10.1038/s41598-017-06992-5

Figure 1.

Figure 1

(a) Mouse insert placed in front of the scanner bore. The receive coil is mounted within the insert, such that the mouse bed fits inside. (b) Gradiometer coil mounted inside the scanner. (c) Optimal coil length l per radius R at different radii for the FOV center and FOV border. For the aimed bore diameter of 40 mm a compromise of 50 turns or 34 mm (l/R = 1.7) was chosen (black dot). (d) Gradiometric receive coil with a simulated field profile using numerical evaluation of the Biot-Savart law.