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JoVE Journal
Engineering

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Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
 
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Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing

Article doi: 10.3791/58207
April 25th, 2019

Summary April 25th, 2019

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High-intensity femtosecond pulses of laser light can undergo cycles of Kerr self-focusing and plasma defocusing, propagating an intense sub-millimeter-diameter beam over long distances. We describe a technique for generating and using these filaments to perform remote imaging and sensing beyond the classical diffraction limits of linear optics.

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