 Of a total of  25000 rays, of which   6465 formed the input set 
      0 were out of the mirror N.    3
 The mirror collects   1.0000     of the incoming flux.
 The average reflectivities are :
 S-pol                      0.35954E-01
 P-pol                      0.41919E-02
 Total                      0.20073E-01
 The overall efficiency of the mirror is : 0.20073E-01
