Very compact focal spot in the near-field of the fractional axicon

Title
Very compact focal spot in the near-field of the fractional axicon
Authors
Keywords
Near-field diffraction, Fractional axicon, Rayleigh-Sommerfeld integral, Modified method of stationary phase, Evanescent waves
Journal
OPTICS COMMUNICATIONS
Volume 391, Issue -, Pages 24-29
Publisher
Elsevier BV
Online
2017-01-11
DOI
10.1016/j.optcom.2016.12.034

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