# Optical transmission as a function of voltage at a wavelength of 9.0 µm Voltage(V),displayed_value(a.u.) -12.0,0.000630 -11.5,0.000625 -11.0,0.000621 -10.5,0.000618 -10.0,0.000613 -9.5,0.000607 -9.0,0.000599 -8.5,0.000591 -8.0,0.000584 -7.5,0.000574 -7.0,0.000567 -6.5,0.000559 -6.0,0.000553 -5.5,0.000546 -5.0,0.000535 -4.5,0.000524 -4.0,0.000511 -3.5,0.000496 -3.0,0.000484 -2.5,0.000474 -2.0,0.000462 -1.5,0.000452 -1.0,0.000437 -0.5,0.000424 0.0,0.000407