Fig. 1. Cladding power stripper test system

Fig. 2. Relationship between different corrosion time and stripping light power and stripping efficiency at same corrosion length

Fig. 3. Surface morphology of optical fiber under different corrosion time. (a) 8 min; (b) 16 min; (c) 24 min; (d) 32 min

Fig. 4. Schematic diagram of fiber core light test device and output laser power curve before and after CPS preparation. (a) Fiber core light test device; (b) output laser power before and after CPS preparation

Fig. 5. Output power under forward and reverse test conditions

Fig. 6. Cladding light leakage image and corresponding thermal imager temperature distribution image. (a) Cladding light leakage image; (b) temperature distribution image of thermal imager

Fig. 7. Maximum temperature of the five sections of CPS when input power is 134, 367, and 488 W