{HEAD ~ The apparatus} 20, wherein {TAIL ~ the wavelength range} is about 400 nm to about 430 nm 
{ HEAD ~ The apparatus } 20 , wherein { TAIL ~ the wavelength range } is about 400 nm to about 430 nm
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH