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4.3-µm CO2 laser

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Abstract

New mid-IR laser sources are required for applications such as laser photochemistry and laser isotope separation. A common technique used in the development of such sources is the optical pumping of molecules using a CO2 laser to produce lasing at wavelengths longer than 10 µm. By contrast, we have devised an optical pumping scheme whereby a conventional 10-µm CO2 laser can be converted to one operating at wavelengths in the 4.3-µm region. Peak output powers of 1 kW and average powers of 50 mW have already been obtained from a laser system which is readily scalable using existing CO2 laser technology.

© 1981 Optical Society of America

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