Kirkpatrick-Baez (KB) and Lobster Eye (LE) Optics for Astronomical and Laboratory Applications

Table 2

Comparison of Wolter and KB optical arrangement in astronomical X-ray telescope (Marsikova, 2009 [8]).

	KB	W
Type of optics	Parabolic-parabolic planar	Parabolic-hyperbolic rotational
Number of reflections	2	2
Focal length aperture	20m−913×913mm	10m−dia913mm
	40m−1826×1826mm	20m−dia1826mm
First mirror	134 mm from axis	134 mm from axis
	268 mm from axis	268 mm from axis
Numbers of mirrors	420	394
	840	788
Length of substrate	300 mm	300 mm
Material substrate	Silicon	Glass
Surface	Gold	Gold