Astigmatism compensation in digital holographic microscopy using complex-amplitude correlation

Tamrin, K. F. and Rahmatullah, B. and Samuri, S. M. (2015) Astigmatism compensation in digital holographic microscopy using complex-amplitude correlation. AIP Conference Proceedings, 1669 (1). ISSN 1551-7616

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Digital holographic microscopy (DHM) is a promising tool for a three-dimensional imaging of microscopic particles. It offers the possibility of wavefront processing by manipulating amplitude and phase of the recorded digital holograms. With a view to compensate for aberration in the reconstructed particle images, this paper discusses a new approach of aberration compensation based on complex amplitude correlation and the use of a priori information. The approach is applied to holograms of microscopic particles flowing inside a cylindrical micro-channel recorded using an off-axis digital holographic microscope. The approach results in improvements in the image and signal qualities.

Item Type: Article
Uncontrolled Keywords: Digital holographic microscopy (DHM), imagin, microscopic particles, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Academic Faculties, Institutes and Centres > Faculty of Engineering
Faculties, Institutes, Centres > Faculty of Engineering
Depositing User: Karen Kornalius
Date Deposited: 26 Sep 2017 06:19
Last Modified: 26 Sep 2017 06:19

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