- Achromatic design for the generation of optical vortices based on radial spiral phase platesX C Yuan
Institute of Modern Optics, Key Laboratory of Optoelectronic Information Science and Technology, Ministry of Education of China, Nankai University, Tianjin 300071, China
Opt Express 16:13599-605. 2008..Apart from a conventional spiral phase plate having an azimuthal phase function, the proposed element possesses an additional change of phase in the radial direction...
- Generating radial or azimuthal polarization by axial sampling of circularly polarized vortex beamsK J Moh
Photonics Research Centre, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore
Appl Opt 46:7544-51. 2007..The technique discussed here may easily be implemented to a wide range of optical instruments and devices that require the use of tightly focused light beams...