Novel considerations of functions of helium and nitrogen in a fast flow CO2 laser |
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Authors: | S. H. Chang M. K. Lu M. F. Chang H. P. Liu W. C. Yen |
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Abstract: | In a research of fast axial flow CO2 laser sustained by 150 kHz silent discharge, we found the optimized gas mixing ratio was CO2:N2:He=1:22:5 or the content of helium was only about 18%. This result upset the situation of common CO2 lasers in which the most important laser gas is helium. An explanation of our particular results and supporting experimental evidence are given. |
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Keywords: | Laser (CO2) Low helium content Silent discharge |
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