Abstract

A laser system that routinely generates irradiances of 8 × 10¹⁷ W cm⁻² is described. Pulses from a mode-locked visible dye laser are heterodyned to 248 nm and amplified in two KrF amplifiers. Output is 25–30 mJ in a 700-fsec pulse that can be focused to 5 μm².

© 1988 Optical Society of America

Amplification of ultrashort pulses in krypton fluoride at 248 nm

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