{HEAD ~ The physical thickness} of {TAIL ~ the rough VO2 layer} may be increased to get the same emittance performance as the one of a device using an optimal physical thickness of a smooth VO2 layer 
of
{ HEAD ~ The physical thickness } of { TAIL ~ the rough VO2 layer } may be increased to get the same emittance performance as the one of a device using an optimal physical thickness of a smooth VO2 layer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH