Ultrasound characterization of cavitation microbubbles produced by femtosecond laser pulses

Andrei B. Karpiouk; Salavat R. Aglyamov; Frederic Bourgeois; Adela Ben-Yakar; Stanislav Y. Emelianov

doi:10.1117/12.805996

12 February 2009 Ultrasound characterization of cavitation microbubbles produced by femtosecond laser pulses

Andrei B. Karpiouk, Salavat R. Aglyamov, Frederic Bourgeois, Adela Ben-Yakar, Stanislav Y. Emelianov

Proceedings Volume 7175, Optical Interactions with Tissue and Cells XX; 717512 (2009) https://doi.org/10.1117/12.805996
Event: SPIE BiOS, 2009, San Jose, California, United States

Abstract

An ultrasound-based technique capable of detection and spatio-temporal characterization of microbubbles induced in water by femtosecond laser is reported. A highly focused single-element ultrasound transducer was used both to detect passive acoustic emission of the microbubbles and to probe the microbubbles at different stage of their evolution. The location of origin and wall of the microbubble was assessed from temporal characteristics of the passive acoustic emissions and of the pulse-echo signals. The radius of the microbubble was estimated as the distance between the origin of the bubble and its wall. The ultrasound characterization of microbubbles induced by femtosecond pulses agreed well with theoretical predictions based on the well-known Rayleigh-based model of bubble behavior in liquid. The results of this study demonstrate that femtosecond laser-induced microbubbles with typical sizes of several tens of micrometers can be characterized by the developed ultrasound technique.

Citation Download Citation

Andrei B. Karpiouk, Salavat R. Aglyamov, Frederic Bourgeois, Adela Ben-Yakar, and Stanislav Y. Emelianov "Ultrasound characterization of cavitation microbubbles produced by femtosecond laser pulses", Proc. SPIE 7175, Optical Interactions with Tissue and Cells XX, 717512 (12 February 2009); https://doi.org/10.1117/12.805996

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