In order to investigate the effect of the pressure buffer gas and
frequency on the output power, a copper vapor laser with active medium length
of 60 cm and bore of 16 mm has been operated and optimized using air as a
buffer gas. The observed oscillatory behavior of the output power versus
frequency is in good agreement with the previous reports. The measured results
show the maximum output power of ~1.6W at the optimum pressure of 3.8 torr and
frequency of 17 kHz. Abundance of the air and reduction of the system volume
due to elimination of the gas handling system as well as the economically
benefits are the advantages of the employing air as a buffer gas in the copper
vapor laser operation.
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