Abstract

We describe a high-temperature lithium extreme-ultraviolet (EUV) source based on a capillary discharge configuration that was developed for operating with metal vapors. The source produces narrow-band emission at 13.5 nm in the EUV spectral region, with emission intensity proportional to the lithium-vapor density. At an operating temperature of 725 °C, our measurements showed that, on axis, the source generated approximately 0.2 (mJ/2π sr)/pulse at 13.5 nm.

© 2000 Optical Society of America

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