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Polarization-sensitive Femtosecond Laser Ablation with Tightly Focused Vortex Pulses

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Abstract

We demonstrate that in a tight focusing geometry circularly polarized femtosecond laser vortex pulses ablate material differently depending on the handedness of light. This allows one to control laser micromachining on a sub-wavelength scale.

© 2012 Optical Society of America

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