FIG 2 (IMAGE)

Compuscript Ltd

FIG 2

Caption

Fig. 2. GS Er3+/Dy3+ co-doped mid-infrared fiber laser based PAS system; (a) The experimental setup of the laser; (b) Energy level diagram of the laser; (c) Pump-output power characteristics; d The tunable spectral output of the laser across 3200-3550 nm.

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