Analysis of the laser action of a solid-state dye laser with a thin film ring resonator

This paper presents the fabrication of a compact blue solid-state dye laser and the properties of the laser action based on both experiment and numerical calculation. We solidified Stilbene-3 dye as the active medium for the laser by the sol-gel method and coated the medium around a 3-mm diameter glass rod. We used the glass rod simultaneously as a thin film ring resonator and a light amplifier. We pumped the dye molecules with pulsed Nd:YAG laser third-harmonic generation (355-nm wavelength) and obtained blue laser emission, the center wavelength of the laser output was 433 nm. We also designed a model of the chin film ring laser and simulated a performance of the laser. Because of the agreement between the calculated and experimental results, the validity of the model was assured.