Figure 3: Correlation maps.

(a–c) C1 C2 and C3 of modes in bi, gi, di (as labelled in Fig. 2a). In d the total correlation C obtained by displacing the fibre by 5 mm near its centre is reported.
(a–c) C1 C2 and C3 of modes in bi, gi, di (as labelled in Fig. 2a). In d the total correlation C obtained by displacing the fibre by 5 mm near its centre is reported.