| Zugriffsnummer | 16239 |
| Dokumenttyp | Konferenzartikel |
| Sprache | Englisch |
| Titel | Diffraction of light by two superposed ultrasonic beams of frequency ratio 1:2 |
| Autor(in); Institution |
Gondek, Grzegorz; University of Gdansk, Institute of Experimental Physics, Gdansk, POLAND
Kwiek, Piotr; University of Gdansk, Institute of Experimental Physics, Gdansk, POLAND
Reibold, Rainer; 1.6, Schall, PTB-Braunschweig
|
| Quelle/Jahr | World Congress on Ultrasonics 2003: Proceedings:(2003), 357 - 360 |
| Availability | [CD-ROM] ; file name: procs\\cd1\\articles\\000080.pdf |
| Herausgeber(in) |
Société Française d'Acoustique
|
| ISBN | 2-9521105-0-6 |
| Verlag | Paris: SFA [u.a.] |
| Konferenzangaben | WCU 2003, Paris, 7-10, September, 2003, France |
| Zusammenfassung | In previous papers it was shown both theoretically and experimentally that light diffracted by adjacent or superposed ultrasonic beams produce equal diffraction patterns provided that weak acousto-optical interaction (Raman-Nath regime) is considered. Beyond this regime, theory predicts totally different diffraction patterns for the situations mentioned. The light-sound interaction for adjacent ultrasonic beams was experimentally investigated in essential details whilst those for superposed beams are still lacking. In other words, the experimental verification of the theoretical predictions is still an unsolved problem. In the present paper, light diffraction by two superposed ultrasonic waves of the frequency ration 1:2 is experimentally investigated in the intermediate range between weak and strong acousto-optical interaction. The theoretical predictions established by Mertens are confirmed. Besides the broadening of the basic knowledge, the findings are of particular interest as regards the investigation of nonlinear sound propagation by means of acousto-optical techniques. |
