Illumination for coherent soft X-ray applications: the new X1A beamline at the NSLS

Winn, B.; Ade, H.; Buckley, C.; Feser, M.; Howells, M.; Hulbert, S.; Jacobsen, C.; Kaznacheyev, K.; Kirz, J.; Osanna, A.; Maser, J.; McNulty, I.; Miao, J.; Oversluizen, T.; Spector, S.; Sullivan, B.; Wang, Y.; Wirick, S.; Zhang, H.

doi:10.1107/S0909049500012942

Figure 2
Calculated undulator output for two selected magnetic field parameters, K. For K = 1.98 the undulator fundamental covers the region near the C K-absorption edge while the second harmonic provides good intensity near the O K-edge. K = 1.55 is optimized for the region of the nitrogen K- and iron L-absorption edges. The presence of the second harmonic peaks on-axis is due to the finite electron beam divergence in the low-β straight section where the undulator is located.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 7| Part 6| November 2000| Pages 395-404

doi:10.1107/S0909049500012942

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