Creat membership Creat membership
Sign in

Forgot password?

Confirm
  • Forgot password?
    Sign Up
  • Confirm
    Sign In
Creat membership Creat membership
Sign in

Forgot password?

Confirm
  • Forgot password?
    Sign Up
  • Confirm
    Sign In
Collection

toTop

If you have any feedback, Please follow the official account to submit feedback.

Turn on your phone and scan

home > search >

Laser ablation of silicon induced by a femtosecond optical vortex beam

Author:
Nivas, Jijil J. J.   Shutong, He   Anoop, K. K.   Rubano, A.   Fittipaldi, R.   Vecchione, A.   Paparo, D.   Marrucci, L.   Bruzzese, R.   Amoruso, S.   


Journal:
Optics Letters


Issue Date:
2015


Abstract(summary):

We investigate laser ablation of crystalline silicon induced by a femtosecond optical vortex beam, addressing how beam properties can be obtained by analyzing the ablation crater. The morphology of the surface structures formed in the annular crater surface allows direct visualization of the beam polarization, while analysis of the crater size provides beam spot parameters. We also determine the diverse threshold fluences for the formation of various complex microstructures generated within the annular laser spot on the silicon sample. Our analysis indicates an incubation behavior of the threshold fluence as a function of the number of laser pulses, independent of the optical vortex polarization, in weak focusing conditions. (C) 2015 Optical Society of America


Similar Literature

Submit Feedback

This function is a member function, members do not limit the number of downloads