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