Imaging of a phase object using a differentiation filter

Hideo Furuhashi; Kiyofumi Matsuda; Chander Prakash Grover

doi:10.1117/12.524003

19 November 2003 Imaging of a phase object using a differentiation filter

Hideo Furuhashi, Kiyofumi Matsuda, Chander Prakash Grover

Author Affiliations +

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.524003
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

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.

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Hideo Furuhashi, Kiyofumi Matsuda, and Chander Prakash Grover "Imaging of a phase object using a differentiation filter", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.524003

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