Fig. 1. Schematic of FDML swept laser source

Fig. 2. Structural schematic of optical buffer device

Fig. 3. Principle of optical buffer device outside ring cavity

Fig. 4. Principle of optical buffer device within ring cavity

Fig. 5. Structural schematic of swept laser source based on optical buffer device within ring cavity

Fig. 6. Photograph of swept laser source based on optical buffer device within ring cavity

Fig. 7. Duty ratio adjustment of swept optical sequence diagram. (a) Original diagram of swept optical sequence; (b) process of duty ratio adjustment of swept optical sequence diagram; (c) duty ratio of swept optical sequence diagram is adjusted to 50%

Fig. 8. Normalized spectral sequence diagram of high-speed swept laser source based on optical buffer device within ring cavity

Fig. 9. Spectrum of high-speed swept laser source based on optical buffer device within ring cavity