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