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. 2022 Apr 1;15(7):2601. doi: 10.3390/ma15072601

Figure 13.

Figure 13

Schematic diagram of (a) the experimental setup for magnetic feld sensing and (b) the in-line Mach–Zehnder interferometer in tapered photonic crystal fiber (PCF), with single mode fiber (SMF) (adapted from [108] with permission from the Springer Nature).