TY - JOUR AU - Tze-An Lui AU - Nathan Newbury AU - Ian Coddington C2 - Optics Express DA - 2011-09-12 00:09:00 LA - en M1 - 19 PB - Optics Express PY - 2011 TI - Sub-micron absolute distance measurements in sub-millisecond times with dual free-running femtosecond Er fiber-lasers UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=908892 ER -