Light beams 85, 85, are directed toward mirrors 45, 45, which have a dichroic coating for selectively transmitting {HEAD ~ infrared energy} toward {TAIL ~ heat sinks} 82, 82 
toward
Light beams 85 , 85 , are directed toward mirrors 45 , 45 , which have a dichroic coating for selectively transmitting { HEAD ~ infrared energy } toward { TAIL ~ heat sinks } 82 , 82
OTH OTH 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 OTH OTH OTH