Experimental Trace Gas Sensor (IMAGE) Optica Caption Experimental setup for ultrasensitive real-time trace gas sensor using a high power multimode diode laser and cavity ringdown spectroscopy. Credit Adelphi University, Garden City, NY 11530 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.