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High resolution digital holographic synthetic aperture applied to deformation measurement and extended depth of field method
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Claus, Daniel (2010) High resolution digital holographic synthetic aperture applied to deformation measurement and extended depth of field method. Applied Optics, Vol.49 (No.16). pp. 3187-3198. doi:10.1364/AO.49.003187 ISSN 0003-6935.
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Official URL: http://dx.doi.org/10.1364/AO.49.003187
Abstract
This paper discusses the potential of the synthetic-aperture method in digital holography to increase the resolution, to perform high accuracy deformation measurement, and to obtain a three-dimensional topology map. The synthetic aperture method is realized by moving the camera with a motorized x-y stage. In this way a greater sensor area can be obtained resulting in a larger numerical aperture (NA). A larger NA enables a more detailed reconstruction combined with a smaller depth of field. The depth of field can be increased by applying the extended depth of field method, which yields an in-focus reconstruction of all longitudinal object regions. Moreover, a topology map of the object can be obtained.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Holography -- Methodology | ||||
Journal or Publication Title: | Applied Optics | ||||
Publisher: | Optical Society of America | ||||
ISSN: | 0003-6935 | ||||
Official Date: | 1 June 2010 | ||||
Dates: |
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Volume: | Vol.49 | ||||
Number: | No.16 | ||||
Number of Pages: | 12 | ||||
Page Range: | pp. 3187-3198 | ||||
DOI: | 10.1364/AO.49.003187 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 3 December 2015 | ||||
Date of first compliant Open Access: | 3 December 2015 | ||||
Funder: | Warwick Innovative Manufacturing Research Centre (IMRC) | ||||
Grant number: | R.ESCM 9231 (IMRC) |
Data sourced from Thomson Reuters' Web of Knowledge
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