Table 7 Measured parameters of the FUT

From: Physics and applications of Raman distributed optical fiber sensing

Fiber type

Aeff [um2]

gR [m/W]

α [dB/km]

Pth [W]

Muti-mode fiber

190

6.0 × 10–14

0.246

14.2

Single-mode fiber

80

6.2 × 10–14

0.200

2.1

Few-mode fiber

106

6.1 × 10–14

0.225

6.8

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