Finite element analysis of adaptive atom-optical mirrors

Ross, A.E., MacLaren, D.A. and Allison, W. (2011) Finite element analysis of adaptive atom-optical mirrors. Journal of Physics D: Applied Physics, 44(18), p. 185501. (doi:10.1088/0022-3727/44/18/185501)

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Abstract

We present finite element analysis of the deflections of clamped, ultrathin single crystals under electrostatic pressure. The crystals form concave mirrors that are suitable for low-aberration reflective focusing of inert atom beams, such as those required for the construction of a scanning helium microscope. The electrostatic and elastic aspects of the problem are coupled in the simulation. Additionally, realistic inhomogeneities in the crystal thickness are considered and it is shown that adaptive optic protocols using a minimal number of optimized electrodes can correct the resultant mirror aberrations.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:MacLaren, Dr Donald
Authors: Ross, A.E., MacLaren, D.A., and Allison, W.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Journal of Physics D: Applied Physics
Publisher:Institute of Physics Publishing Ltd.
ISSN:0022-3727
ISSN (Online):1361-6463

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