Physics
Scientific paper
Apr 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997jkps...30..194p&link_type=abstract
Journal of the Korean Physical Society, Vol. 30, No. 2, p. 194 - 201
Physics
Optical Systems: Aberrations
Scientific paper
The influence of Bessel and Bessel-Gauss beams acting as a combined filter of amplitude and phase on the point spread function and the encircled energy for an optical system having a spherical aberration have been investigated numerically. The maximum values of the axial and the transverse irradiance distributions for these beams are higher in an optical system having a spherical aberration than in an aberration-free optical system, but the maximum values for a clear aperture and a truncated Gaussian beam decrease when the spherical aberration increases. The authors show that both Bessel and Bessel-Gauss beams compensate for an aberrated wavefront caused by the spherical aberration and that these beams can be used to improve the image-forming ability of an optical system with a spherical aberration.
Chung Chang S.
Park Sei Jin
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