Thin Film Constructive Thickness
t_f = λ / (4·n)
What it says
The coating thickness that makes reflections reinforce — how anti-reflective coatings are designed.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
t_f | Film thickness (m) | L |
λ | Wavelength (m) | L |
n | Refractive index (dimensionless) | 1 |
Work it out
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Fill in all but one: λ, n, t_f are all empty.
Filed under Optics · derive through it in the explorer