fibre length position [m],on-off ratio for 0.034 W incident power  [dB],on-off ratio for 0.812 W incident power [dB],on-off ratio for 9.6 W incident power [dB]
0,0,0,0
1.6,5.199,3.287,0.954
3.7,13.845,8.112,3.123
5.8,19.589,14.945,5.426
7.9,,19.407,8.763
10,,24.441,10.861
12.1,,,13.655
14.2,,,14.003