finesse.components.cavity.Cavity.FSR

property Cavity.FSR

The free-spectral-range (FSR) of the cavity.

This quantity is defined as,

\[\mathrm{FSR} = \frac{c}{2L}, \]

where \(c\) is the speed of light and \(L\) is the length of the cavity.

Getter:

Returns the cavity free-spectral-range (read-only).