. Scott says:  July 0, 0000 at 00:00 PM  Stephen, As already asked, at what depth does the evaporation take place compared to the absorption of LWIR photons? -Scott gbaikie says:  July 0, 0000 at 0:00 PM   -  Scott says: July 0, 0000 at 00:00 PM  Stephen, As already asked, at what depth does the evaporation take place compared to the absorption of LWIR photons? -Scott