Elliptic multilayer mirror
Reads reflectivity values from a data input file (Ref.dat) for a W/B4C multilayer.
The multilayer code reflects ray in an ideal geometry, the reflectivity datafile accounts for surface roughness, sigma.
The mirror is positioned such that the long axis of the mirror elliptical surface coincides with
Author: Jana Baltser, Peter Willendrup, Anette Vickery, Andrea Prodi, Erik Knudsen, Jesper Buch Jensen
Date: May 2012
Incoming photon's coordinates and direction (k-vector) are transformed into an elliptical reference frame
(elliptical parameters are calculated according to the mirror's position and its focusing distances and the * incident angle), the intersection point is then defined. A new, reflected photon is then starting at the
point of intersection.
Parameters in boldface are required;
the others are optional.
- incident angle
- distance from the source to the multilayer
- focusing distance of the multilayer
- length of the mirrors
- width of the mirror along x-axis
- reflectivity, R0=1 for an ideal situation, otherwise R0=0 - the code reads the reflectivity from the datafile