TY - JOUR AU - A Bartels AU - Nathan Newbury AU - I Thomann AU - Leo Hollberg AU - Scott Diddams C2 - Optics Letters DA - 2004-02-15 LA - en M1 - 29 PB - Optics Letters PY - 2004 TI - Broadband phase-coherent optical frequency synthesis with actively linked Ti:sapphire and Cr:forsterite femtosecond lasers UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=104844 ER -