Abstract
High average power CO2 lasers have considerable industrial importance for material processing applications suchas cutting, welding, and heat-treating. The majority of such applications, requiring power levels of 1 kW or higher from beams with low values of M2, are provided by large discharge-excited lasers, where gas cooling involves fast axial or transverse flow of the laser gas, with its associated bulk, cost, and system complexity.
© 1993 Optical Society of America
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