| Zugriffsnummer | 35124 |
| Dokumenttyp | Zeitschriftenartikel |
| Sprache | Englisch |
| Titel | Uncertainty considerations of ultrasonic field mapping by light-diffraction tomography |
| Autor(in); Institution |
Reibold, Rainer; 1.43, Ultraschall, PTB-Braunschweig
Kwiek, P.; Institute of Experimental Physics, University of Gdansk, Gdansk, POLAND
|
| Quelle/Jahr | Ultrasonics: 35 (1997), 3, 187 - 193 |
| ISSN | 0041-624X |
| DOI | |
| Verlag | Amsterdam [u.a.]: Elsevier |
| Freie Schlagworte | Acousto-optics ; Light diffraction ; Ultrasonic field investigation |
| Zusammenfassung | Ultrasound light diffraction in conjunction with a computer-tomographic evaluation procedure allows ultrasonic fields to be mapped as long as the limits of weak acousto-optic interaction are not exceeded. Beyond these limits, the light-sound interaction is far more complex, and the simplified evaluation based on the Raman-Nath approach will give rise to considerable errors. Two typical idealized sound beam configurations, of a circular and a square sound column, are used for numerically treating the problem. It could be shown that, depending on the light-sound interaction length and the ultrasound frequency, errors of the order of 50% are not rare. |
