Imaging of the energy flow in the three-beam case of x-ray diffraction
| Autor: | H. R. Höche, Frank Heyroth, C. Eisenschmidt |
|---|---|
| Rok vydání: | 1999 |
| Předmět: |
Physics
Diffraction Acoustics and Ultrasonics business.industry Physics::Optics Condensed Matter Physics Interference (wave propagation) Collimated light Surfaces Coatings and Films Electronic Optical and Magnetic Materials Optics Energy flow Diffraction topography Pinhole (optics) business Dispersion (water waves) Beam (structure) |
| Zdroj: | Journal of Physics D: Applied Physics. 32:A133-A138 |
| ISSN: | 1361-6463 0022-3727 |
| DOI: | 10.1088/0022-3727/32/10a/328 |
| Popis: | A new kind of topographic experiment is presented which makes it possible to depict the energy flow in the three-beam case of diffraction in Laue-Laue geometry. The crystal is illuminated by a highly collimated x-ray beam which is reduced in both cross-section dimensions (pinhole topography). These experiments allow the investigation of the dynamical interaction of the three diffracted waves in three-beam interference and also allow the predictions of the theory to be tested. The results are discussed with reference to the dispersion surface and are compared with the images taken in the arrangement for conventional slit limited section topography. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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