Fast-discharge-initiated KrF laser

Abstract
Intense laser emission has been observed from the KrF molecule formed by a chemical reaction initiated by a fast discharge. With a gas mixture of He:Kr:NF3=500:50:1 and a sample pressure of 700 Torr, an output energy of 0.8 mJ was measured from a 25‐nsec laser pulse (FWHM). Spectral analysis of the laser emission indicated laser action at 248.5 and 249.5 nm.

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