Construction of a focusing high‐resolution crystal analyser for x‐rays | Zendy

Tirao G. | Zendy; Cusatis C. | Zendy; Stutz G. | Zendy

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Construction of a focusing high‐resolution crystal analyser for x‐rays

Author(s) -

Tirao G.,

Cusatis C.,

Stutz G.

Publication year - 2002

Publication title -

x‐ray spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.447

H-Index - 45

eISSN - 1097-4539

pISSN - 0049-8246

DOI - 10.1002/xrs.542

Subject(s) - analyser , monochromator , optics , resolution (logic) , spectrometer , diffraction , beamline , crystal (programming language) , physics , beam (structure) , angular resolution (graph drawing) , substrate (aquarium) , materials science , geology , computer science , wavelength , oceanography , mathematics , combinatorics , artificial intelligence , programming language

We present the construction of a focusing x‐ray analyser designed to operate in back‐diffraction geometry. A spherical crystal surface was achieved by positioning about 2000 small Si crystals on a concave glass substrate. The analyser was mounted at the XRD beamline of the LNLS (Laboratório Nacional de Luz Síncrotron) for testing the energy resolution of a spectrometer consisting of both a sagitally focusing monochromator and the analyser. Controlling the vertical angular divergence of the primary beam, resolving powers of Δ E & sol ; E ≈2 × 10 −4 could be achieved with good intensity. Copyright © 2002 John Wiley & Sons, Ltd.

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