Figure 3 (IMAGE) Compuscript Ltd Caption The tightly focused light fields of (a) radially polarized beam; (b) azimuthally polarized beams; (c) radially polarized beam with 1-order vortex phase; (d) azimuthally polarized beams with 1-order vortex phase Credit OEA Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.