{HEAD ~ High efficiency mode} matched {TAIL ~ solid state laser} with transverse pumping and cascaded amplifier stages 
matched
{ HEAD ~ High efficiency mode } matched { TAIL ~ solid state laser } with transverse pumping and cascaded amplifier stages
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH