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Doppler -freehighresolutionspectroscopyisappliedtomoleculariodinebyusingNd :YAG lasers.Newhyperfinestructuresofiodineareobservednear 532nm .Crossoverlinesarealsoobservedforsomero - vibrationtransitions .Withthesemeasurementswehaveobtainedhyprefineconstantsofmoleculariodinewithveryhigh accuracy .FrequencystabilizationofthelaserisrealizedbyusingtheobservedDoppler-freesignals .Wehaveestablised threeNd :YAGlasersystemsfortheinvestigationofthefrequencystability ,repeatability ,andreproducibility .Anew experimentmeasuringtheabsoluteopticalfrequencyofthe 532nmiodine -stabilizedNd :YAGlaserisproposedand beingdeveloped .
Doppler -freehighresolutionspectroscopyisappliedtomoleculariodinebyusingNd: YAG lasers.Newhyperfinestructuresofiodineareobservednear 532nm .Crossoverlinesarealsoobservedforsomero - vibrationtransitions .Withthesemeasurementswehaveobtainedhyprefineconstantsofmoleculariodinewithveryhigh accuracy .FrequencystabilizationofthelaserisrealizedbyusingtheobservedDoppler-freesignals .Wehaveestablised threeNd: YAGlasersystemsfortheinvestigationofthefrequencystability, repeatability, andreproducibility .Anew experimentmeasuringtheabsoluteopticalfrequencyofthe 532nmiodine -stabilizedNd: YAGlaserisproposedand beingdeveloped.