Fig. 1. Principle diagram of light path in ISCAC

Fig. 2. Time sequence of ISCAC

Fig. 3. (a) Transfer function of detection window in time domain; (b) filter function of detection window in frequency domain at present time sequence (in Fig.2)

Fig. 4. Power spectral density of relative intensity noise from monitor laser in loop

Fig. 5. Power spectral density of relative intensity noise from probe laser out of loop

Fig. 6. Frequency stability of probe laser

Fig. 7. σPM-AM(τ) versus detection time td