image: This image shows dual-comb gas spectroscopy with one unstabilized semiconductor disk laser. This material relates to a paper that appeared in the May 11, 2017, online issue of Science, published by AAAS. The paper, by S.M. Link at ETH Zürich in Zurich, Switzerland, and colleagues was titled, "Dual-comb spectroscopy of water vapor with a free-running semiconductor disk laser." view more
Credit: Sandro Link