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