{TAIL ~ The phosphor} is used in {HEAD ~ light source} that comprises a UV radiation source to convert efficiently UV radiation to visible light 
{ TAIL ~ The phosphor } is used in { HEAD ~ light source } that comprises a UV radiation source to convert efficiently UV radiation to visible light
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH