Figure 1
Side view of the DXAFS beamline BL-5 (a) and the VDXAFS instrument (b). Legend: a, light source; b, beam shutter; c, mask; d, Be window; e, first slit; f, Be window; g, second slit; h, experimental hutch; i, direct beam stopper; j, θ–2θ goniometer; k, polychromator chamber; l, sample stage; m, 2θ bench; n, two-dimensional detector. (c) Sketch of polychromator holder. Legend: o, bent Si crystal; p, holder jacket; q, fixed-curvature presses; r, crystal bed. (d) Optical arrangement of polychromator, sample and two-dimensional detector. |