Guiding femtosecond high-intensity high-contrast laser pulses by copper capillaries

V. E. Leshchenko, K. V. Gubin, V. I. Trunov +2

Propagation of high-intensity, high-contrast ($<10^{-8}$), 50\,fs laser pulses through triangilar copper capillaries is experimentally studied. The relative transmission through 20…