cavcalc.functions.asymmetric.rtgouy_of_g1g2#
- cavcalc.functions.asymmetric.rtgouy_of_g1g2(g1, g2)#
Round-trip gouy phase of a cavity with mirror g-factors of \(g_1\) and \(g_2\), respectively.
\[\psi(g_1, g_2) = 2\arccos{ \left( \frac{\mathrm{sgn}\left(g_1\right) + \mathrm{sgn}\left(g_2\right)}{2} \sqrt{g_1 g_2} \right) }\]