The contrast measured by SEQUOIA device:

Contrast in ns domain 8x10^-8.

Contrast ps @ 1 ps 2x10^-5.

Contrast ps @ 3 ps 3x10^-6.

Contrast ps @ 5 ps 2x10^-7.

Contrast ps @ 15 ps 2x10^-8.

Contrast ps @ 30 ps and earlier 7x10^-10.