Title :
Tight focusing of cylindrical vector beam with high NA lens axicon
Author :
Chandrasekeran, R. ; Prabakaran, K. ; Rajesh, K.B. ; Pillai, T.V.S. ; Jaroszewicz, Z.
Author_Institution :
Dept. of Phys., Gov. Arts Coll., Dharmapuri, India
Abstract :
Generation of cylindrical vector beam with high NA lens axicon system is investigated theoretically by vector diffraction theory. Results are potential useful such as peak-centered, donut, flattop focal shapes with extended focal depth may occur.
Keywords :
lenses; light diffraction; optical focusing; vectors; NA; cylindrical vector beam focusing; donut shape; extended focal depth; flattop focal shapes; lens axicon; numerical aperture; peak-centered shapes; systems; vector diffraction theory;
Conference_Titel :
Fiber Optics and Photonics (PHOTONICS), 2012 International Conference on
Conference_Location :
Chennai
Print_ISBN :
978-1-4673-4718-1
