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