cavcalc.functions.symmetric.gsingle_of_w#

cavcalc.functions.symmetric.gsingle_of_w(L, wl, w)#

Mirror stability factor given beam radius (on both mirrors) of \(w\), in a symmetric cavity of length \(L\); where the beam has wavelength \(\lambda\).

\[g_s(L, \lambda, w) = \pm \sqrt{ 1 - \left( \frac{L\lambda}{\pi w^2} \right)^2 }\]