Laser Trick Produces High-Energy Terahertz Pulses (image) Deutsches Elektronen-Synchrotron DESY Share Print E-Mail Caption From the color difference of two slightly delayed laser flashes (left) a non-linear crystal generates an energetic terahertz pulse (right). Credit DESY, Lucid Berlin Usage Restrictions Free use by the media if reporting on the related paper. Share Print E-Mail 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.