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Evaluation of fitness parameters used in an iterative approach to aberration correction in optical sectioning microscopy

Poland, S.P. and Wright, A.J. and Girkin, J.M. (2008) Evaluation of fitness parameters used in an iterative approach to aberration correction in optical sectioning microscopy. Applied Optics, 47 (6). pp. 731-736. ISSN 1559-128X

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Abstract

A major problem when imaging at depth within a biological sample in confocal or nonlinear microscopy is the introduction of sample induced aberrations. Adaptive optical systems can provide a technique to compensate for these sample aberrations and often iterative optimizations are used to improve on a particular parameter of the image (known as the fitness parameter). In this investigation, using a deformable membrane mirror as the adaptive optic element, we examine the effectiveness of a number of fitness parameters, when used with a genetic algorithm, at determining the optimal mirror shape required to compensate for sample induced aberrations. These fitness parameters are compared in terms of the number of mirror changes required to achieve optimization and the final axial resolution of the optical system. The effect that optimizing each fitness parameter has on the lateral and axial point-spread function is also examined.

Item type: Article
ID code: 13961
Keywords: microscopy, confocal microscopy, active optics, adaptive optics, aberration correction, Optics. Light, Atomic and Molecular Physics, and Optics
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Institute of Photonics
Related URLs:
    Depositing user: Miss Lisa Flanagan
    Date Deposited: 09 Dec 2009 16:31
    Last modified: 03 Jul 2014 13:51
    URI: http://strathprints.strath.ac.uk/id/eprint/13961

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