Browsing by Subject "Soliton output"

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    Air-guided photonic-crystal-fiber pulse-compression delivery of multimegawatt femtosecond laser output for nonlinear-optical imaging and neurosurgery
    (AIP Publishing LLC, 2012-03-06) Lanin, A.; Fedotov, I. V.; Sidorov Biryukov, D. S.; Doronina Amitonova, L. V.; Ivashkina, O. I.; Zots, M. A.; Sun, C. K.; Ilday, F. O.; Fedotov, A. B.; Anokhin, K. V.; Zheltikov, A. M.
    Large-core hollow photonic- crystal fibers (PCFs) are shown to enable a fiber-format air-guided delivery of ultrashort infrared laser pulses for neurosurgery and nonlinear-optical imaging. With an appropriate dispersion precompensation, an anomalously dispersive 15-mu m-core hollow PCF compresses 510-fs, 1070-nm light pulses to a pulse width of about 110 fs, providing a peak power in excess of 5 MW. The compressed PCF output is employed to induce a local photodisruption of corpus callosum tissues in mouse brain and is used to generate the third harmonic in brain tissues, which is captured by the PCF and delivered to a detector through the PCF cladding.