Height of crystal relative to point source/m | Intrinsic detection efficiency/% | Relative deviation from parallel incidence/% |
1 | 83.057% | 9.057% |
1.25 | 81.280% | 7.280% |
1.5 | 78.672% | 4.672% |
1.75 | 77.548% | 3.548% |
2 | 76.396% | 2.396% |
2.5 | 75.385% | 1.385% |
3 | 74.150% | 0.150% |