In a preferred embodiment of the generator of {TAIL ~ the invention}, the pumping means excite {HEAD ~ the laser gas} at radio frequency 
In a preferred embodiment of the generator of { TAIL ~ the invention } , the pumping means excite { HEAD ~ the laser gas } at radio frequency
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH