FIG 3 (IMAGE) Compuscript Ltd Caption Figure. 3. Validation of the novel pancake optics. (a) Folded laser beams in the novel pancake optics system. (b) Input image in the micro-OLED panel. (c) folded images in the novel pancake optics system. (d) Folded white images in the novel pancake optics system. (e) Multi-layer design for the broadband nonreciprocal polarization rotator. (f) Spectral response of the multi-layer design. 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.