How to Calculate Optical Path Difference given Fringe Width?
Optical Path Difference given Fringe Width calculator uses Optical Path Difference = (Refractive Index-1)*Thickness*Fringe Width/Wavelength to calculate the Optical Path Difference, Optical Path difference given Fringe Width 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 is denoted by Δ symbol.
How to calculate Optical Path Difference given Fringe Width using this online calculator? To use this online calculator for Optical Path Difference given Fringe Width, enter Refractive Index (RI), Thickness (t), Fringe Width (β) & Wavelength (λ) and hit the calculate button. Here is how the Optical Path Difference given Fringe Width calculation can be explained with given input values -> 0.024751 = (1.333-1)*0.12*0.166/0.268.