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Figure 4
A schematic of the four-bounce inline HRM (setup 1) with angles mimicking the U M5-edge configuration. The HRM consist of four asymmetrically cut (α) Si(111) crystals with α1 = − α4 (α2 = −α3). Two different configurations are possible and we refer to them as HRM setup 1 (α1, 2 = 20°) and setup 2 (α1 = 13° and α2 = 20°), respectively. The multiple black solid lines on each crystal represent the orientation of the Si(111) lattice planes. The large dispersion rate (Dsrc = 3.5 rad meV−1 at U M5-edge for setup 1), produced by the HRM, is depicted inside the magnifying glass as blue/red beams pointing up/down. The inset shows the calculated energy profile at the U M5-edge for setup 1. |
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