view article
Figure 1
The shape of a parabolic biconcave lens and a kinoform lens. For the biconcave parabolic lens FL(y,z) = min{R (y2+z2)+Wsm,W}. For the kinoform lens [F_{K}(x,y) = [\min{\{{R}\,(y^{2}+z^{2}),{W}\}}-W_{K}\,\cdot l]\in[0,W_{K}]], WK is the kinoform lens thickness, l = 0, 1,…, W/WK − 1.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 3| May 2021| Pages 741-755
https://doi.org/10.1107/S1600577521001880
Follow J. Synchrotron Rad.
Sign up for e-alerts
E-alerts
Follow J. Synchrotron Rad. on Twitter
Twitter
Follow us on facebook
Facebook
Sign up for RSS feeds
RSS