Table 1.

Values of two adjacent interference minima and values of the RIs (at 20 °C)

Medium	Air	Pure Water	Methanol	Acetone
λ1 [nm]	1539.327	1538.243	1544.054	1542.585
λ2 [nm]	1551.033	1547.055	1552.899	1551.224
l [µm]	101.949	-	-	-
n [RIU]	-	1.3245	1.3295	1.3585