Progress in Medical Physics

Table. 1.

Table. 1.

Evaluation of attenuation by FSR sensor with 100 MU and 500 MU, field size 10×10 cm2

100 MU 500 MU


1st rdg (nC) 2nd rdg (nC) Average (nC) 1st rdg (nC) 2nd rdg (nC) Average (nC)
6 MV
Without 3.294 3.295 3.295 16.48 16.49 16.49
With 3.298 3.298 3.298 16.49 16.50 16.50
Difference (%) 0.1 0.06
10 MV
Without 3.368 3.366 3.367 16.83 16.83 16.83
With 3.368 3.369 3.369 16.85 16.85 16.85
Difference (%) 0.05 0.1

FSR, force sensing resistor; MU, monitor unit; rdg, reading.

Progress in Medical Physics 2021;32:153-8 https://doi.org/10.14316/pmp.2021.32.4.153
© 2021 Progress in Medical Physics