Operating characteristics of a fixed alignment CO2 waveguide laser

Abstract
A simple CO2 waveguide laser with fixed alignment is described and the operating characteristics for various gas mixtures given. Maximum power obtained was 3 W at a working pressure of 120 Torr. Alignment was still maintained after three years of operation. With a fresh filling of gas, power at the 1‐W level was routinely obtained over a day’s running time.

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