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