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23 August 2017 Aberrations in compound refractive lens systems: analytical and numerical calculations
Markus Osterhoff, Carsten Detlefs, Claudio Ferrero
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Proceedings Volume 10388, Advances in Computational Methods for X-Ray Optics IV; 103880L (2017) https://doi.org/10.1117/12.2275535
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States
Abstract
Hard x-ray beams can be focused using refractive lenses, but depending on energy, a large number N of individual lenses stacked in a row is needed. Such a stack can be either composed of single lenses in cartridges, or lithographically fabricated lenses in a row. With N in the three-digit regime, the question arises which tolerances on lens alignment and shape have to be met not to disturb the focus. Here we use analytical and numerical calculations based on a Zernike polynomial expansion to give such error bounds for typical set-ups.
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Markus Osterhoff, Carsten Detlefs, and Claudio Ferrero "Aberrations in compound refractive lens systems: analytical and numerical calculations", Proc. SPIE 10388, Advances in Computational Methods for X-Ray Optics IV, 103880L (23 August 2017); https://doi.org/10.1117/12.2275535
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KEYWORDS
Zernike polynomials
Hard x-rays
Optical alignment
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