Optical setup (image) The Optical Society Share Print E-Mail Caption Researchers report the first dual-comb spectrometer with an acquisition speed of 10 gigahertz. The optical setup they used is shown here. Credit David R. Carlson, National Institute of Standards and Technology and the University of Colorado in Boulder 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.