{HEAD ~ The particular embodiment} of FIG 2 having layer thicknesses disclosed hereinabove is suitable for {TAIL ~ infrared radiation} in the wavelength range from approximately 15 microns to 30 microns 
is suitable for
{ HEAD ~ The particular embodiment } of FIG 2 having layer thicknesses disclosed hereinabove is suitable for { TAIL ~ infrared radiation } in the wavelength range from approximately 15 microns to 30 microns
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH