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Proceedings Paper

Imaging of a phase object using a differentiation filter
Author(s): Hideo Furuhashi; Kiyofumi Matsuda; Chander Prakash Grover
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Paper Abstract

This paper reports on the imaging of a phase object using a differentiation filter. The differentiation filter consists of a photographic recording on a film where the amplitude transmittance changes gradually in a continuous manner. The filter is placed in the Fourier plane of a lens, and the differentiation image is taken by a CCD camera. This technique is applicable for objects with wide range of phase variations. A computer was used for image integration and to construct the 3D image. We have presented experimental results for a wedged phase object.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.524003
Show Author Affiliations
Hideo Furuhashi, National Research Council Canada (Canada)
Kiyofumi Matsuda, National Research Council Canada (Canada)
Chander Prakash Grover, National Research Council Canada (Canada)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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