Fig. 1. Schematic of experimental setup for measuring optical cavity dispersion based on automatically scanning gating monochromator

Fig. 2. Detailed diagrams of probe beam and reference beam at central fringe under different measurement wavelengths. (a) 808 nm; (b) 822 nm

Fig. 3. Dispersion measurement results of 6.35 mm-thick fused silica plate. (a) Length change between resonance cavities with and without plate; (b) comparison between theoretical value and measurement value

Fig. 4. Carrier envelope offset frequency and resonance cavity length change versus time

Fig. 5. Comparison between theoretical value and measurement value when cavity is empty