Abstract

In this paper, we demonstrate experimentally for the first time (to our knowledge) the generation of spectral supercontinuum (SC) of more than two octaves with high intensity in a water jet. The spectrum of the generated SC extends from 350 to 1400 nm, with intensities up to ${10}^{11}\mathrm{W}/{\mathrm{cm}}^2$, and its generation efficiency is more than 50%. For the pump intensity $3.0\times {10}^{12}\mathrm{W}/{\mathrm{cm}}^2$ in the spectral range from 400 to 800 nm, the spectrum is nearly flat (less than 40% deviation), which is useful for many applications.

© 2016 Optical Society of America

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