Good point. That seems to imply that the energy developed within the bulk of the system at a wavelength for which the substrate is not transparent would be thermalized, e.g., into phonon modes, but probably incoherent ones.
Eric On Tue, Oct 1, 2013 at 9:14 AM, David Roberson <dlrober...@aol.com> wrote: > Eric, > > I do not believe that IR can travel through a solid metal for a > significant distance. Do you have reason to suspect that the energy can > escape by that method other than when it is emitted at the surface? > > Dave > > > -----Original Message----- > From: Eric Walker <eric.wal...@gmail.com> > To: vortex-l <vortex-l@eskimo.com> > Sent: Tue, Oct 1, 2013 12:07 pm > Subject: Re: [Vo]:Sound in a Vacuum > > On Tue, Oct 1, 2013 at 8:54 AM, David Roberson <dlrober...@aol.com>wrote: > > The thermal power exiting each square centimeter of surface area is >> well within reason when 10 micrometer material is used and should not cause >> a meltdown according to preliminary figures. >> > > If the mass energy of the fusion events is delivered directly to the > electronic structure, as I suspect it must be in order to avoid fast > particles and gammas, I suppose much of that energy would radiate away in > the IR and higher frequencies as conduction electrons fall back from > excited states. The system could even become something like a large > cathode tube, with electrons boiling off at the boundaries (because of all > of the energy that must be dissipated). In this event, I have no idea how > much of that energy would feed back into to the phonon modes. > > Eric > >
