FIG 1 (IMAGE) Compuscript Ltd Caption Figure 1. Working principle of the conventional and novel pancake optics systems. (a) configuration of the conventional pancake optics. (b) polarization conversion process in the conventional pancake optics. (c) configuration of the novel pancake optics. (d) polarization conversion process in the novel pancake optics. 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.