Journal
OPTICS LETTERS
Volume 28, Issue 14, Pages 1269-1271Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.28.001269
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We report experimental evidence of self-guided propagation of femtosecond laser pulses in water. A light filament induced by 170-fs, 527-nm pulses has a diameter of 60 mum (at the 1/e(2) z level) and persists over a distance of 20 mm. The filamentary mode is sustained over a wide range of input power, and the energy excess is converted into conical emission. In the time domain, the pulse trapped in a filamentary mode experiences a number of splittings occurring in the early stage of filament formation. (C) 2003 Optical Society of America.
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