Certainly.
Set up the original backups as B2D jobs, either to the same B2D folder or to separate folders. Set up policies to then DUPLICATE the data to the tape drive making sure the D2T jobs are defined as "Overwrite, Else Append" and that that OPP for the media set is long enough that should the wrong tape get mounted, it will not be overwritten, and that the D2T jobs all specify the same media set
See the Admin Guide page 365