A miniaturized laser-driven Bessel-beam ultrasound device generates a column-shaped focal zone 152 um wide and 1.93 mm long, and activates rodent brain tissue at depth, though the transcranial advantage over Gaussian beams is only shown in simulation.
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Miniaturized optically-generated Bessel beam ultrasound for volumetric transcranial brain stimulation
A miniaturized laser-driven Bessel-beam ultrasound device generates a column-shaped focal zone 152 um wide and 1.93 mm long, and activates rodent brain tissue at depth, though the transcranial advantage over Gaussian beams is only shown in simulation.