Abstract
We are investigating diode pumped alkali lasers (DPAL) as a potential high-energy laser source. A 10-W class cesium DPAL has been developed. Since DPAL involves problems such as chemical reactions and thermodynamics, computational fluid dynamics (CFD) is necessary for precise modeling. We have developed a numerical simulation of cesium DPAL by combining a wave-optics optical resonator simulation code and a simplified CFD code. The consistency between simulation results and experimental results are satisfactory. An idea of the scalable pump beam arrangement for DPAL is discussed with the aid of the simulation.
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