Phase-contrast x-ray tomography using synchrotron radiation

Ulrich Bonse; Felix Beckmann; Markus Bartscher; Theodor Biermann; Frank Busch; Olaf Guennewig

doi:10.1117/12.279351

24 October 1997 Phase-contrast x-ray tomography using synchrotron radiation

Ulrich Bonse, Felix Beckmann, Markus Bartscher, Theodor Biermann, Frank Busch, Olaf Guennewig

Proceedings Volume 3149, Developments in X-Ray Tomography; (1997) https://doi.org/10.1117/12.279351
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

The principle and experimental l realization of x-ray phase- contrast in compute assisted microtomography ((mu) CT) at the micrometer resolution level is described. The camera used is a modification of a setup previously developed by us for attenuation-contrast (mu) CT using synchrotron x-rays. Phase detection is accomplished by employing the x-ray interferometer. By using x-ray phase contrast it is possible to image structural details in low-z biological tissues much better than with absorption contrast. The advantage of phase over attenuation contrast is not limited to light element or to low x-ray energies. Examples of applying phase contrast (mu) CT to the structural investigation of rat trigeminal nerve are given.

Citation Download Citation

Ulrich Bonse, Felix Beckmann, Markus Bartscher, Theodor Biermann, Frank Busch, and Olaf Guennewig "Phase-contrast x-ray tomography using synchrotron radiation", Proc. SPIE 3149, Developments in X-Ray Tomography, (24 October 1997); https://doi.org/10.1117/12.279351

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