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