How to Calculate Optical path difference when fringe width is given?
Optical path difference when fringe width is given calculator uses Optical path difference=(Refractive Index-1)*Thickness*Fringe Width/Wavelength to calculate the Optical path difference, Optical path difference when fringe width is given is the product of the geometric length of the path followed by light through a given system, and the refractive index of the medium through which it propagates. Optical path difference and is denoted by Δ symbol.
How to calculate Optical path difference when fringe width is given using this online calculator? To use this online calculator for Optical path difference when fringe width is given, enter Refractive Index (RI), Thickness (T), Wavelength (λ) and Fringe Width (β) and hit the calculate button. Here is how the Optical path difference when fringe width is given calculation can be explained with given input values -> 0.0333 = (1.333-1)*1*0.2/2.