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