Concepts for rapid tuning and switching of x-ray energies

Werner Jark; Arndt Last

doi:10.1117/12.2017446

3 May 2013 Concepts for rapid tuning and switching of x-ray energies

Werner Jark, Arndt Last

Proceedings Volume 8777, Damage to VUV, EUV, and X-ray Optics IV; and EUV and X-ray Optics: Synergy between Laboratory and Space III; 877712 (2013) https://doi.org/10.1117/12.2017446
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

Abstract

The Clessidra prism array lens appears like an hourglass with two perfectly triangular opposing areas. Each of these halves is then formed of a multitude of smaller abutting triangular prisms. These devices focus an incident plane X-ray wave into a focus by refraction. Due to the wavelength dependence of the refractive index the focusing is suffering from chromatic aberrations. This can be used in order to operate the structure as a monochromator in combination with an exit slit. Photon energy tuning in a fixed exit slit is possible, when the structure is rotated around an axis, which is perpendicular with respect to the incident beam and perpendicular to the bases of the prisms. Such a rotation can be performed with rather high speed. In this study the advantages of this concept for the energy tuning are discussed as are the limitations.

Citation Download Citation

Werner Jark and Arndt Last "Concepts for rapid tuning and switching of x-ray energies", Proc. SPIE 8777, Damage to VUV, EUV, and X-ray Optics IV; and EUV and X-ray Optics: Synergy between Laboratory and Space III, 877712 (3 May 2013); https://doi.org/10.1117/12.2017446

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