Abstract
In-line phase contrast is combined with laminography to image in three dimensions regions of interest in laterally extended flat specimens of weak absorption contrast. The principle of the method and a theoretical description of the imaging process are outlined. The present instrumental implementation enables reconstructing nondestructively the internal structure at different lateral specimen positions with micron resolution. The feasibility and application potential are demonstrated for both phase-contrast and holographic (i.e., using phase retrieval) laminography by the three-dimensional imaging of fuel-cell diffusion layers.
References
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Dates
Type | When |
---|---|
Created | 16 years, 5 months ago (March 13, 2009, 7:05 p.m.) |
Deposited | 2 years, 2 months ago (June 25, 2023, 9:41 a.m.) |
Indexed | 4 weeks, 2 days ago (July 30, 2025, 6:52 a.m.) |
Issued | 16 years, 5 months ago (March 9, 2009) |
Published | 16 years, 5 months ago (March 9, 2009) |
Published Online | 16 years, 5 months ago (March 13, 2009) |
Published Print | 16 years, 5 months ago (March 9, 2009) |
@article{Helfen_2009, title={Phase-contrast and holographic computed laminography}, volume={94}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3089237}, DOI={10.1063/1.3089237}, number={10}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Helfen, L. and Baumbach, T. and Cloetens, P. and Baruchel, J.}, year={2009}, month=mar }