Table 1.

The fitted σ_total and other parameters for different sampling rates. The sample location z_N =150 μm.

Sampling rate	Sampling interval TDAQ	αT DAQ	Fitted σtotal	SNR	Phase stability σψ
600 MS/s	1.667 ns	244.44 m−1	151.67 m−1	41.76 dB	50.09 mrad
800 MS/s	1.25 ns	183.33 m−1	120.48 m−1	44.75 dB	40.90 mrad
1.0 GS/s	1 ns	146.67 m−1	100.21 m−1	47.27 dB	32.00 mrad
1.2 GS/s	833.33 ps	122.22 m−1	91.39 m−1	47.05 dB	30.30 mrad
1.4 GS/s	714.29 ps	104.76 m−1	85.29 m−1	45.56 dB	28.00 mrad