LIDAR May Offer Peerless Precision for Remote Measures
Sunday, May 24, 2009 - 12:35
in Physics & Chemistry
By combining the best of two different distance measurement approaches with a super-accurate technology called an optical frequency comb, researchers at the National Institute of Standards and Technology (NIST) have built a laser ranging system that can pinpoint multiple objects with nanometer precision over distances up to 100 kilometers.