Very compact focal spot in the near-field of the fractional axicon
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DOI: 10.1016/j.optcom.2016.12.034
Abstract: Abstract Theoretical and numerical analysis of the plane wave diffraction by a fractional axicon with less than one degree is performed in the near-field considering the evanescent waves. The first type of Rayleigh-Sommerfeld integral transformation… read more here.
Keywords: compact focal; focal spot; near field; fractional axicon ... See more keywords