Figure 6
The signal gain spectrum at pump powers of 40, 80 and 120 mW, respectively, in the 4.1 μm resonantly pumped Pr3+-doped chalcogenide fibre amplifier.
Figure 6 | Scientific Reports
The signal gain spectrum at pump powers of 40, 80 and 120 mW, respectively, in the 4.1 μm resonantly pumped Pr3+-doped chalcogenide fibre amplifier.
