Multilayered Waveguide Taper Array (image) University at Buffalo Caption The image shows a multilayered waveguide taper array. The different wavelengths, or colors, are absorbed by the waveguide tapers (thimble-shaped structures) that together form an array. Credit Qiaoqiang Gan, University at Buffalo Usage Restrictions Please credit the image to Qiaoqiang Gan, University at Buffalo. 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.