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Blue-green gas lasers pumped by UV radiation of an open discharge

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Abstract

It is possible to initiate an inertially confined cylindrical discharge in atmospheric pressure gas of arbitrary content. Such a discharge can serve as a powerful source of VUV radiation with wavelengths as short as 100 nm and a flux of hundreds of kW/ cm2/some thousands of wave numbers. The discharge with no containing transparent tube is directly inserted into the laser medium. A cylindrical layer of unperturbed gas adjacent to a boundary of the discharge experiences optimal pumping and shows laser action.

© 1983 Optical Society of America

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