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