An arrangement for generating plasma, the arrangement comprising a primary plasma source (1) comprising a primary source chamber (15) and a first coil (4) for generating plasma in the primary source chamber, a secondary plasma source (25) comprising a secondary source chamber (16) and a second coil (26) for enhancing plasma generated by the primary plasma source and/or generating plasma in the secondary source chamber generating plasma in the primary source chamber, a hollow guiding body (11) arranged for guiding at least a portion of the plasma generated by the primary plasma source to the secondary plasma source, and an outlet (14) for emitting at least a portion of the plasma generated by the arrangement.