Abstract

Errors in the results and conclusions presented in the paper “Cylindrical vector beam focusing through a dielectric interface” by Biss and Brown (Opt. Express 9, 490–497 (2001)) are discussed.

© 2004 Optical Society of America

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References

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  1. D.P.Biss and T.G. Brown, ???Cylindrical vector beam focusing through a dielectric interface,??? Opt. Express 9, 490-497 (2001), <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-9-10-490">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-9-10-490</a>
    [CrossRef] [PubMed]
  2. P. Török, P. Varga, Z. Laczik and G.R. Booker, ???Electromagnetic diffraction of light focused through a planar interface between materials of mismatched refractive indices: an integral representation,??? J. Opt. Soc. Am. A 12, 325-332 (1995)
    [CrossRef]
  3. P. Török, P. Varga and G.R. Booker, ???Electromagnetic diffraction of light focused through a planar interface between materials of mismatched refractive indices: structure of the electromagnetic field. I,??? J. Opt. Soc. Am. A 12, 2136-2144 (1995)
    [CrossRef]
  4. P. Török, C.J.R. Sheppard, and P. Varga ???Study of evanescent waves for transmission near-field microscopy,??? J. Mod. Opt. 43, 1167-1183 (1996)
    [CrossRef]
  5. P. Török, P. Varga, A. Konkol and G.R. Booker ???Electromagnetic diffraction of light focused through a planar interface between materials of mismatched refractive indices: structure of the electromagnetic field. II,??? J. Opt. Soc. Am. A 13, 2232-2238 (1996)
    [CrossRef]

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Figures (3)

Fig. 1.
Fig. 1.

(694 KB) Movie showing the intensity distribution in the x-z meridional plane due to a strongly confined radially polarized Bessel-Gauss beam. The beam is focused (NA=1.4) through an interface separating media n 1=1.518 and n 2=1.0. The black broken line represents the position of the interface. The color scale is a logarithmic base 10 scale.

Fig. 2.
Fig. 2.

FWHM of the lateral intensity distribution at the location of axial maximum for different interface positions (n 1=1.518,n 2=1.0,NA=1.4). The red and magenta triangles correspond to FWHM values for x-polarized incident light along the x and y-axes, respectively. Blue stars and green squares correspond to the FWHM values of the total intensity and the longitudinal component, respectively, for radially polarized incident light.

Fig. 3.
Fig. 3.

Intensity distribution for a focused radially polarized Bessel-Gauss beam (n 1=1.518,n 2=1.0,NA=1.4), where only 20 points were used for the numerical integration in (a) |Ex |2+|Ey |2 and (b) |Ez |2, and 1000 points in (c) |Ex |2+|Ey |2 and (d) |Ez |2, respectively.

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