Wavelength → Wavenumber → Frequency Converter

Refractive Index (n) Enter Wavelength Select Unit

$$k = \frac{n}{\lambda\text{(cm)}}$$

k = ? cm⁻¹

$$f = \frac{c}{\lambda/n}$$

f = ?

Parameter Key: λ = Wavelength k = Wavenumber f = Frequency n = Refractive Index c = Speed of light (≈3×10⁸ m/s)