Single bubble sonoluminescence: Effects of signal amplitude modulation

Auteurs-es

  • Borko Djurkovic Dept. of Physics, University of New Brunswick, PO Box 4400, Fredericton, NB E3B 5A3, Canada
  • Igor Mastikhin Dept. of Physics, University of New Brunswick, PO Box 4400, Fredericton, NB E3B 5A3, Canada
  • Dennis Tokaryk Dept. of Physics, University of New Brunswick, PO Box 4400, Fredericton, NB E3B 5A3, Canada

Mots-clés :

Amplitude modulation, Audio frequency amplifiers, Frequencies, Light emission, Photomultipliers, Signal processing, Dynamic environment, High frequency, Sound pressure

Résumé

The effect of signal amplitude modulation in single bubble sonoluminescnece was studied. Sonoluminescence is the phenomena of emitting light when bubbles in a fluid are exposed to high frequency sound pressure. A bubble was introduced into a dynamic environment and the effects of amplitude modulation on the properties of the emitted light were observed. A photomultiplier was used to collect the emitted light. The measured SBSL signal appeared as a train of flashes for modulation frequencies below 250 Hz, as a continuous modulated signal for higher frequencies.

Fichiers supplémentaires

Publié-e

2005-09-01

Comment citer

1.
Djurkovic B, Mastikhin I, Tokaryk D. Single bubble sonoluminescence: Effects of signal amplitude modulation. Canadian Acoustics [Internet]. 1 sept. 2005 [cité 8 mai 2026];33(3):26-7. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1728

Numéro

Vol. 33 No. 3 (2005)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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