Reports

Lasing Droplets: Highlighting the Liquid-Air Interface by Laser Emission

Science  31 Jan 1986:
Vol. 231, Issue 4737, pp. 486-488
DOI: 10.1126/science.231.4737.486

Abstract

When dye-doped ethanol droplets are irradiated with an intense pulsed laser beam, the resulting laser emission from individual droplets highlights the liquid-air interface. Photographs of the lasing droplets in the micrometer size range taken in a single 10-nanosecond laser pulse clearly show the dynamic changes in droplet size, shape, and orientation.

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