Campanile Tips (2 of 3) (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Electromagnetic fields are enhanced in the gap as the campanile squeezes light beyond the diffraction limit, as shown in these simulations. Credit Lawrence Berkeley National Lab Usage Restrictions None License Licensed content 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.