{TAIL ~ An infrared microscope operable} in {HEAD ~ either a transmission mode} or a reflectance mode, comprising: 
{ TAIL ~ An infrared microscope operable } in { HEAD ~ either a transmission mode } or a reflectance mode , comprising :
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH