ALPACA 1 (IMAGE) DOE/Princeton Plasma Physics Laboratory Caption The ALPACA measurement device being aligned using red and green lasers Credit Laszlo Horvath / PPPL Usage Restrictions N/A License Original 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.