Title :
Effect of phase modulated on tightly focused radially and azimuthally polarized double ring shaped beam
Author :
Prabakaran, K. ; Rajesh, K.B. ; Pillai, T.V.S. ; Jaroszewicz, Z.
Author_Institution :
Dept. of Phys., Anna Univ. of Technol., Tirunelveli, India
Abstract :
We propose a new approach for generating multiple focal spots and focal holes segment of sub wavelength size, by tight focusing of phase modulated double ring shaped radially and azimuthally polarized beam respectively using vector diffraction theory.
Keywords :
laser beams; light diffraction; light polarisation; optical focusing; optical modulation; phase modulation; azimuthally polarized double ring shaped beam; focal holes; multiple focal spots; phase modulation; radially polarized double ring shaped beam; tight focusing; vector diffraction theory;
Conference_Titel :
Fiber Optics and Photonics (PHOTONICS), 2012 International Conference on
Conference_Location :
Chennai
Print_ISBN :
978-1-4673-4718-1
