A method is provided for cooling skin during irradiation treatment including thermally coupling {HEAD ~ a window} to {TAIL ~ the skin} and actively extracting heat from the window 
A method is provided for cooling skin during irradiation treatment including thermally coupling { HEAD ~ a window } to { TAIL ~ the skin } and actively extracting heat from the window
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH