Abstract
We consider the role of mirrors in synchrotron-radiation beamlines and discuss the optical considerations involved in their design. We discuss toroidal, spherical, elliptical, and paraboloidal mirrors in detail with particular attention to their aberration properties. We give a treatment of the sine condition and describe its role in correcting the coma of axisymmetric systems. We show in detail how coma is inevitable in single-reflection, grazing-incidence systems but correctable in two-reflection systems such as those of the Wolter type. In an appendix, we give the theory of point aberrations of reflectors of a general shape and discuss the question of correct naming of aberrations. In particular, a strict definition of coma is required if attempts at correction are to be based on the sine condition.
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© 1994 Springer Science+Business Media Dordrecht
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Howells, M.R. (1994). Mirrors for Synchrotron-Radiation Beamlines. In: Schlachter, A.S., Wuilleumier, F.J. (eds) New Directions in Research with Third-Generation Soft X-Ray Synchrotron Radiation Sources. NATO ASI Series, vol 254. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0868-3_14
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DOI: https://doi.org/10.1007/978-94-011-0868-3_14
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-4375-5
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