THz spectroscopic image of burn (IMAGE) Optica Caption The video shows a THz spectroscopic image of a burn obtained with the PHASR Scanner by sweeping over a frequency range between 0.2 and 0.9 THz. Credit Courtesy of Stony Brook University Usage Restrictions None 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.