Beamline Design

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Photon Energy: Soft X-ray, 80-2000 eV for linear polarization, 100-1000 eV for circular polarization
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High flux
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Medium resolution: E/ΔE > 5000
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Polarization
The REIXS beamline has the capability to accept light from the two EPUs in the 10ID straight section. The two beams are spatially separated by the chicane magnets in the straight section. The unique double collimating mirror design will compensate for the different source distances and ensure accurate collimation for both beams. All following optical elements are capable of handling two beams; therefore, the two beams have equivalent high performance. In the two beam mode, a rotary chopper is used to select which beam reaches the sample in the endstation. When the two EPUs are generating light with different polarizations, rapid switching of the polarization can be realized.