a plurality of laser diode pumping sources positioned adjacent to both of the opposed sides of and substantially aligned with {HEAD ~ the vertices} of {TAIL ~ said zig zag optical path}, 
of
a plurality of laser diode pumping sources positioned adjacent to both of the opposed sides of and substantially aligned with { HEAD ~ the vertices } of { TAIL ~ said zig zag optical path } ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH