FIG 2 (IMAGE) Compuscript Ltd Caption Fig. 2. Optical response of the incident RGB lights to (a) a red PBL, (b) a green PBL, (c) a blue PBL, and (d) a stacked RGB achromatic PBL. Experimental results of (e) a red PBL, (f) a green PBL, (g) a blue PBL, and (h) the stacked achromatic PBLs. 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.