In this paper we present the results of a ray tracing analysis of some involute-type reflector profiles, using a Montecarlo simulation. The simulation show that also this profile gives a non uniform slab illumination if a finite reflector surface reflectivity is considered. The same happens if the emission from the generating circle of the involute is not Lambertian, even if the reflector still has a 100% transfer efficiency. These results are compared with measurements of reflectors built for a zig-zag Nd:Glass slab laser.
"Ray-Tracing Analysis Of Pumping Reflectors For Slab Lasers", Proc. SPIE 1021, High Power Solid State Lasers, (24 March 1989); doi: 10.1117/12.950082; https://doi.org/10.1117/12.950082