'Heater' Laser Pulse Rendering (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A snapshot of a plasma channel's electron density profile (blue) formed inside a sapphire tube (gray) with the combination of an electrical discharge and an 8-nanosecond laser pulse (red/yellow). Credit Gennadiy Bagdasarov/Keldysh Institute of Applied Mathematics; Anthony Gonsalves, and Jean-Luc Vay/Lawrence Berkeley National Laboratory 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.