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Holotomography: Quantitative phase tomography with micrometer resolution using hard synchrotron radiation x rays

Cloetens, P., Ludwig, W., Baruchel, J., Van Dyck, D., Van Landuyt, J., Guigay, J. P., Schlenker, M.·1999·Applied Physics Letters

Abstract

Because the refractive index for hard x rays is slightly different from unity, the optical phase of a beam is affected by transmission through an object. Phase images can be obtained with extreme instrumental simplicity by simple propagation provided the beam is coherent. But, unlike absorption, the phase is not simply related to image brightness. A holographic reconstruction procedure combining images taken at different distances from the specimen was developed. It results in quantitative phase mapping and, through association with three-dimensional reconstruction, in holotomography, the complete three-dimensional mapping of the density in a sample. This tool in the characterization of materials at the micrometer scale is uniquely suited to samples with low absorption contrast and radiation-sensitive systems.

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Metadata

Authors
Cloetens, P., Ludwig, W., Baruchel, J., Van Dyck, D., Van Landuyt, J., Guigay, J. P., & Schlenker, M.
Venue
Applied Physics Letters
Published
1999-11-08
Volume
75
Issue
19
Pages
2912-2914
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W2020616936
Cited by
1,078
References
8
FWCI
9.33
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Holotomography: Quantitative phase tomography with micrometer resolution using hard synchrotron radiation x rays. https://app.cochat.ai/papers/10.1063/1.125225
The paper
Cloetens, P., Ludwig, W., Baruchel, J., Van Dyck, D., Van Landuyt, J., Guigay, J. P., & Schlenker, M. (1999). Holotomography: Quantitative phase tomography with micrometer resolution using hard synchrotron radiation x rays. Applied Physics Letters. https://doi.org/10.1063/1.125225

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