{HEAD ~ The signal} emanating from said photodiode array is sent through {TAIL ~ a multi channel analyzer} 23 which converts the individual signals into a spectrum, as illustrated at 25 
is sent through
{ HEAD ~ The signal } emanating from said photodiode array is sent through { TAIL ~ a multi channel analyzer } 23 which converts the individual signals into a spectrum , as illustrated at 25
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH