0.   20.   40.   60.   80.
   0.    5.   10.   20.   30.   40.   50.   60.   70.   80.
1.000 1.016 1.007 1.052 1.112 1.210 1.351 1.530 1.712 2.339
1.001 1.004 1.008 1.049 1.107 1.214 1.354 1.495 1.696 2.341
 .982  .985  .997 1.026 1.110 1.198 1.345 1.547 1.732 2.309
 .926  .925  .927  .970 1.048 1.152 1.323 1.505 1.676 2.361
 .629  .629  .637  .681  .738  .832 1.007 1.240 1.623 2.355
  
tau_alpha normal                    =   .6070
tau_alpha diffuse                   =   .7315
aperture area [m^2]                 =  1.6000
backplane area/aperture area        =  1.0526
backplane-tube center distance [cm] = 12.0000
backplane diffuse reflectance       =   .7000
backplane specular reflectance      =   .0000
backplane semi-specular reflectance =   .0000
backplane r_d power                 =  1.0000
backplane r_ss power                =   .0000
glass thickness*extinction coef.    =   .0260
index of refraction                 =  1.5000
outside radius of glass             =  6.3000
radius of collector cylinder        =  5.5000
length of cylinders                 =  200.00
tolerance                           =   .0100
# of directions converged on        =  50
  
 Tube Centers:
-30.00 -10.00  10.00  30.00