Tight focusing of circularly polarized light beam for the fabrication of NEMS

نویسندگان

  • S. Sumathi
  • K. Gokulakrishnan
  • K. B. Rajesh
چکیده

We investigate the focused properties of circularly polarized beam by a high NA lens axicon based on vector diffraction theory. The Circularly polarized femtosecond laser vortex pulses ablate material differently depending on the handedness of light.This effect offers an additional degree of freedom to control the shape and size of laser-machined structures on a sub-wavelength scale.

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تاریخ انتشار 2012