Preparing FT-IR Experiment (IMAGE) Georgia Institute of Technology Caption Georgia Tech graduate student Brandon Polander prepares for his FT-IR experiment. The green laser light is used to photo excite the spinach photosytem II sample. Credit Georgia Tech Photo: Gary Meek 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.