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24 August 2020 Measurements and simulations of wavefront correcting refractive x-ray optics
David Laundy, Vishal Dhamgaye, Thomas Moxham, Kawal Sawhney
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Proceedings Volume 11493, Advances in Computational Methods for X-Ray Optics V; 114930I (2020) https://doi.org/10.1117/12.2571161
Event: SPIE Optical Engineering + Applications, 2020, Online Only
Abstract
The weak refraction of X-rays allows refracting optical elements to be fabricated that perturb the X-ray phase at the picometre level. This allows fine correction of the X-ray wavefront from imperfect optical elements. Adaptable refractive correcting optics are a new concept of refractive optics that produce a wavefront correction that can be varied in size and form [1] allowing an dynamic correction of X-ray wavefront following mirror or lens focusing optics. Precise measurements and simulation at Diamond Light Source of the wavefront of a spatially coherent X-ray beam focused by an elliptical mirror, demonstrate that after optimisation, focusing close to the theoretical diffraction limit is achieved. [1] David Laundy, Vishal Dhamgaye, Thomas Moxham and Kawal Sawhney, Adaptable refractive correctors for X-ray optics. Optica 6 (12), 1484-1490.2019. DOI: 10.1364/OPTICA.6.001484
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David Laundy, Vishal Dhamgaye, Thomas Moxham, and Kawal Sawhney "Measurements and simulations of wavefront correcting refractive x-ray optics", Proc. SPIE 11493, Advances in Computational Methods for X-Ray Optics V, 114930I (24 August 2020); https://doi.org/10.1117/12.2571161
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KEYWORDS
Wavefronts
X-ray optics
Optical components
X-rays
Mirrors
Optical simulations
Optical testing
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