TY - JOUR AU - J Ye AU - T Yoon AU - John Hall AU - A Madej AU - J Bernard AU - K Siemsen AU - L Marmet C2 - Physical Review Letters DA - 2000-10-01 00:10:00 LA - en M1 - 85 PB - Physical Review Letters PY - 2000 TI - Accuracy Comparison of Absolute Optical Frequency Measurement Between Harmonic-Generation Synthesis and a Frequency-Division Femtosecond Comb ER -