Pedro A. Quinto-Su
Universidad Nacional Autonoma de Mexico

Image by P.A. Quinto-Su/ICN-UNAM

A laser pulse is simultaneously focused at the vertices of a square creating four microscopic plasmas, each one results in the emission of a shock wave and a rapidly expanding bubble. The first photograph shows the four luminescent plasmas (bright spots), the laser induced shocks and the bubbles at 4 nanoseconds after the arrival of the laser pulse. This image also shows the overlap of the shock waves at the center (straight lines).

Later the shocks reach the bubbles and reflect as tensions, breaking the liquid nucleating a bubble cloud with a square shape (second image, 29 nanoseconds after the arrival of the laser pulse). The width of the images is 144 micrometers.

The research is partially supported by CONACYT and PAPIIT-UNAM.

Abstract Link

 http://meetings.aps.org/Meeting/DFD13/Session/A11.7

Usage Information

This image may be freely reproduced with the accompanying credit: P.A. Quinto-Su/ICN-UNAM

References

P.A. Quinto-Su and K. Ando, "Nucleating bubble clouds with a pair of laser-induced shocks and bubbles", JFM, 733, R3, (2013). URL:(http://dx.doi.org/10.1017/jfm.2013.456)

Contact Information

Pedro A. Quinto-Su
Instituto de Ciencias Nucleares
Universidad Nacional Autonoma de Mexico Circuito Exterior s/n, Ciudad
Universitaria, Delegacion Coyoacán, C.P. 04510, México D.F.
pedro.quinto@nucleares.unam.mx