How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Quarter-wave physical thickness
wavelength/(4*index)Single-layer quarter-wave thickness at normal incidence; full antireflection also requires matching refractive indices.
Single-layer quarter-wave thickness at normal incidence; full antireflection also requires matching refractive indices.
Enter your values and run the tool to see your result.
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
wavelength/(4*index)