finesse.thermal.ring_heater

Ring heater thermal equations for cylindrical mirrors

Equations all based on [31]:

J. Ramette, M. Kasprzack, A. Brooks, C. Blair, H. Wang, and M. Heintze, “Analytical model for ring heater thermal compensation in the Advanced Laser Interferometer Gravitational-wave Observatory,” Appl. Opt. 55, 2619-2625 (2016).

Functions

substrate_temperature(r, z, a, b, c, h, material)

Computes the substrate temperature distribution per Watt absorbed ring heater power.

thermal_lens(r, a, b, c, h, material[, ...])

Computes the substrate thermal lens per Watt absorbed ring heater power.

zeros_u_m(double a, double h, double tau, ...)

Compute the roots of the equation

zeros_v_m(double a, double h, double tau, ...)

Compute the roots of the equation