Table II:

Contributions to system efficiency

energy / keV	anode	crystal εn	air	filter	detector	efficiency η(E) meV×″
1+1 setup no brems filter n = 2
17.0	0.534	1.774	0.870	1.000	0.413	0.341
17.5	0.560	1.707	0.879	1.000	0.387	0.325
18.0	0.584	1.677	0.887	1.000	0.363	0.315
18.5	0.607	1.634	0.894	1.000	0.340	0.302
19.0	0.629	1.614	0.901	1.000	0.320	0.292
19.5	0.649	1.618	0.907	1.000	0.300	0.286
20.0	0.668	1.586	0.912	1.000	0.282	0.273
1+1 setup 750μm Si brems filter n = 2
17.0	0.534	1.774	0.870	0.287	0.413	0.098
17.5	0.560	1.707	0.879	0.318	0.387	0.103
18.0	0.584	1.677	0.887	0.348	0.363	0.110
18.5	0.607	1.634	0.894	0.377	0.340	0.114
19.0	0.629	1.614	0.901	0.406	0.320	0.118
19.5	0.649	1.618	0.907	0.433	0.300	0.124
20.0	0.668	1.586	0.912	0.460	0.282	0.125
3+3 setup no brems filter n = 6
17.0	0.534	0.731	0.870	1.000	0.413	0.140
17.5	0.560	0.712	0.879	1.000	0.387	0.136
18.0	0.584	0.726	0.887	1.000	0.363	0.136
18.5	0.607	0.702	0.894	1.000	0.340	0.130
19.0	0.629	0.714	0.901	1.000	0.320	0.129
19.5	0.649	0.731	0.907	1.000	0.300	0.129
20.0	0.668	0.696	0.912	1.000	0.282	0.120
3+3 setup 750μm Si brems filter n = 6
17.0	0.534	0.731	0.870	0.287	0.413	0.040
17.5	0.560	0.712	0.879	0.318	0.387	0.043
18.0	0.584	0.726	0.887	0.348	0.363	0.047
18.5	0.607	0.702	0.894	0.377	0.340	0.049
19.0	0.629	0.714	0.901	0.406	0.320	0.052
19.5	0.649	0.731	0.907	0.433	0.300	0.056
20.0	0.668	0.696	0.912	0.460	0.282	0.055