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    INVESTIGATION OF THE NONLINEAR INDEX OF REFRACTION OF WATER AT 815 AND 407 NANOMETERS

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    No. of downloads: 1983

    Date
    2007-12-10
    Author
    Wilkes, Zachary
    Advisor
    Milchberg, Howard
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    Abstract
    Using a highly stable spectral interferometry technique, ultrafast processes can be measured within a 2 ps temporal window. The technique was used to measure the nonlinear index of refraction due to the optical Kerr effect in water at both 815 nm and 407 nm with pump pulse lengths of ~90 femtoseconds and ~250 femtoseconds respectively. The 815 nm measurement serves as a benchmark against previous published values while the 407 nm measurement is entirely new. Knowing the value of the nonlinear index at 407 nm allows for pulse tailoring to achieve remote underwater pulse compression and self-focusing.
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    http://hdl.handle.net/1903/7792
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    • Electrical & Computer Engineering Theses and Dissertations
    • UMD Theses and Dissertations

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