2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/125114We have measured the evolution of the light intensity of a random laser during a nanosecond pump pulse. Relaxation oscillations in a titania random laser were observed in the time trace of the total emitted intensity. We compare our experimental results with a simple model, based on the four-level rate equations for a single mode laser.4 pages, 3 figuresOpticstext