Performance optimization of a bendable parabolic cylinder collimating X-ray mirror for the ALS micro-XAS beamline 10.3.2

Yashchuk, V.V.; Morrison, G.Y.; Marcus, M.A.; Domning, E.E.; Merthe, D.J.; Salmassi, F.; Smith, B.V.

doi:10.1107/S1600577515001459

Journal of Synchrotron Radiation Journal of
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Figure 5
Experimental arrangement for roll angular alignment of the M2 and M4 mirrors. The ZYGO^TM GPI interferogram from the M4 mirror corresponds to a slight tangential tilt and absence of roll angular misalignment of the mirror with respect to the interferometer wavefront. The curved shape of the fringes is a signature of the anticlastic bending of the M4 mirror substrate. The M4 surface interferogram suggests perfect roll angular alignment but a tangential tilt of the mirror. Note that the M2 mirror fringes are significantly less curved due to the relatively smaller desired curvature, compared with that of the M4 mirror.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 22| Part 3| May 2015| Pages 666-674

https://doi.org/10.1107/S1600577515001459

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