Controlled Polarization (IMAGE) Harvard University Caption Animation of the demonstration of a laser in which the direction of oscillation of the emitted radiation, known as polarization, can be designed and controlled at will. Credit Laboratory of Federico Cappaso, Harvard School of Engineering and Applied Sciences 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.