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