1. The impact of a 1.5 T MRI linac fringe field on neighbouring linear accelerators 
Thijs Perik, Jochem Kaas, Frits Wittkämper 
Physics and Imaging in Radiation Oncology 
Volume 4, Pages (October 2017)
DOI: /j.phro
Copyright © 2017 The Authors Terms and Conditions

2. Fig. 1
Layout of the treatment rooms. The MR-Linac is installed in the upper left corner and surrounded by 3 standard linear accelerators, A, B and C at distances of respectively, 7.5, 5.5 and 11 m. The displayed Gauss lines are 0.5 G (Outer) and 2 G (Inner), and are taken from the vendor specifications.
Physics and Imaging in Radiation Oncology 2017 4, 12-16DOI: ( /j.phro )
Copyright © 2017 The Authors Terms and Conditions

3. Fig. 2
Relative flatness ratio to 0°, for 2 directions (Left-Right (AB) and Gun-Target (GT)) and 2 arcs (clockwise and counter clockwise) for Linac A 6 MV. Before the ramp-up to 1.5 T (a), directly after the ramp-up without corrections to the Look-Up tables (b), and after correction of the LUT (c).
Physics and Imaging in Radiation Oncology 2017 4, 12-16DOI: ( /j.phro )
Copyright © 2017 The Authors Terms and Conditions

4. Fig. 3
Difference in integral symmetry to 0°, for 2 directions (Left-Right (AB) and Gun-Target (GT)) and 2 arcs (clockwise and counter clockwise) for Linac A 6 MV. Before the ramp-up to 1.5 T (a), directly after the ramp-up without corrections to the Look-Up tables (b), and after correction of the LUT (c).
Physics and Imaging in Radiation Oncology 2017 4, 12-16DOI: ( /j.phro )
Copyright © 2017 The Authors Terms and Conditions

5. Fig. 4
Difference in integral symmetry to 0°, for 2 directions (Left-Right (AB) and Gun-Target (GT)) and 2 arcs (clockwise and counter clockwise) for Linac A 6 MV. Before the ramp-down from 1.5 T (a), directly after the ramp-down with the original Look-Up tables (b), and after correction of the LUT (c).
Physics and Imaging in Radiation Oncology 2017 4, 12-16DOI: ( /j.phro )
Copyright © 2017 The Authors Terms and Conditions

6. Fig. 5
Difference in integral symmetry to 0°, for 2 directions (Left-Right (AB) and Gun-Target (GT)) and 2 arcs (clockwise and counter clockwise) for Linac A 6 MV. Before the scheduled ramp-down (a) and after the 2nd ramp-up using the same LUT values as before the ramp-down (b).
Physics and Imaging in Radiation Oncology 2017 4, 12-16DOI: ( /j.phro )
Copyright © 2017 The Authors Terms and Conditions