16-fs, 1-μJ ultraviolet pulses generated by third-harmonic conversion in air
Sterling BackusCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109-2099J. PeatrossCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109-2099Z. ZeekCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109-2099Andy RundquistCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109-2099G. TaftCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109-2099M. M. MurnaneCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109-2099Henry C. KapteynCenter for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109-2099
1996en
ABI
Аннотация
We describe a simple method for generating sub-20-fs ultraviolet light pulses with useful average powers, using a kilohertz Ti:sapphire laser system. By focusing a 22-fs, 1-mJ laser pulse in air, we obtain ultraviolet pulses with an energy of 1 microJ and at a wavelength of 266 nm and with an average power of 1 mW. The pulse duration of the ultraviolet pulses was measured to be 16 fs with frequency-resolved optical gating.
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