(1) Time and Frequency Division, National Bureau of Standards, 80302 Boulder, CO;(2) FAPESP, São Paulo, Brazil;(3) Present address: Instituto de Física, UNICAMP, Campinas, Brazil
Abstract:
The frequencies of 48 optically pumped cw FIR CH2F2 laser lines have been measured relative to stabilized CO2 lasers. Uncertainties are estimated to be about 5 parts in 107.