TY - CONF AU - A Bartels AU - Christopher Oates AU - Leo Hollberg AU - Scott Diddams C2 - 2004 Conf. on Lasers and Electro-Optics , San Francisco, CA DA - 2004-05-17 LA - en PB - 2004 Conf. on Lasers and Electro-Optics , San Francisco, CA PY - 2004 TI - Sub-hertz stabilization of femtosecond laser frequency combs UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105130 ER -