                     Contributors  Element_Contribution  Throughput_at_1.8739_microns 
                           Filter                 0.968                         0.968 
                   Filter*Scatter                 0.984                        0.9525 
            Filter*Scatter*Optics                0.6212                        0.5917 
        Filter*Scatter*Optics*DBS                0.9913                        0.5866 
     Filter*Scatter*Optics*DBS*QE                0.9009                        0.5284 
 Filter*Scatter*Optics*DBS*QE*OTE                0.8724                         0.461 
