Speckle Pattern Analysis for Fire Detection (image) The Optical Society Share Print E-Mail Caption A new laser-based system uses inexpensive optical hardware to detect fires in challenging environments such as industrial facilities or large construction sites. The researchers tested a prototype in the waste plant picture on the left. Credit Mikael Lassen, Danish Fundamental Metrology A/S Usage Restrictions None 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.