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Applied Optics

Applied Optics


  • Vol. 29, Iss. 8 — Mar. 10, 1990
  • pp: 1225–1229

Imaging 2-D objects with a grating interferometer: two methods

Jianhong Wu, Linsen Chen, and Yaguang Jiang  »View Author Affiliations

Applied Optics, Vol. 29, Issue 8, pp. 1225-1229 (1990)

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Grating interferometric imaging has some unique advantages. The theory developed has been for 1-D objects only. The 2-D imaging methods reported are either complex or have low SNR. Two new methods for 2-D interferometric imaging are presented in this paper. The first is that an object composed of discrete points is imaged with a grating interferometer composed of three or more 1-D grating interferometers of which the grating line directions are different. The second is that a 2-D continuous distribution object is imaged with a 1-D grating interferometer by sampling line byline. These two methods are simple and may be practical for real time processing.

© 1990 Optical Society of America

Original Manuscript: October 14, 1988
Published: March 10, 1990

Jianhong Wu, Linsen Chen, and Yaguang Jiang, "Imaging 2-D objects with a grating interferometer: two methods," Appl. Opt. 29, 1225-1229 (1990)

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