The non-diffraction feature of the Bessel-kind beam leads to multiple phase anomalies compared to the focused Gaussian beam. We investigate such peculiar phase distributions using longitudinal-differential interferometry (experiments) and the Richard and Wolf method (theory).
© 2012 OSA
M. Kim, T. Scharf, A. da Costa Assafrao, S. F. Pereira, H. P. Urbach, and H. P. Herzig, "Multiple Phase Anomalies in Bessel Beam," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FW1A.3.
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