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Opt Express. 2008 Nov 10;16(23):18964-9.

Generation of laser-induced cavitation bubbles with a digital hologram.

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  • 1Nanyang Technological University, School of Physical and Mathematical Sciences, Department of Physics and Applied Physics, Singapore.


We demonstrate a method using a spatial light modulator (SLM) to generate arbitrary 2-D spatial configurations of laser induced cavitation bubbles. The SLM acts as a phase hologram that controls the light distribution in the focal plane of a microscope objective. We generate cavitation bubbles over an area of 380 x 380 microm(2) with a 20x microscope objective through absorption of the pulsed laser light in a liquid ink solution. We demonstrate the ability to accurately position up to 34 micrometer sized bubbles using laser energies of 56 microJ.

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