Subpicosecond laser pulses at power levels in excess of 1 TW were channeled through hollow microcapillary tubes by use of a combination of grazing-incidence dielectric and plasma-wall reflection mechanisms. Maximum input and output intensities were 1017 and 1016 W/cm2 through 50-μm radius by 3-cm-long glass microcapillary tubes with as few as two waveguide modes being excited. 133-μm radius tubes as long as 13 cm resulted in successful channeling with an extinction coefficient of 0.2 cm−1 and a plasma-wall reflectivity of 80%.
© 1995 Optical Society of America
Original Manuscript: January 23, 1995
Published: May 15, 1995
S. Jackel, R. Burris, J. Grun, A. Ting, C. Manka, K. Evans, and J. Kosakowskii, "Channeling of terawatt laser pulses by use of hollow waveguides," Opt. Lett. 20, 1086-1088 (1995)