TY - RPRT TI - Frequency-comb-based absolute frequency measurements in the mid-infrared with a difference-frequency spectrometer. AU - D Mazzotti AU - P Cancio AU - G Giusfredi AU - P De Natale AU - M Prevedelli PY - 2005 DO - 10.1364/ol.30.000997 UR - https://pubmed.ncbi.nlm.nih.gov/15906982/ ID - 15906982 ER -