BTW, this resembles the stuff Rossi claims to use... 2012/4/5 Daniel Rocha <danieldi...@gmail.com>
> If you are not concerned with a narrow broad band, you could use a > blackbody emission. According to Wien's displacement law, 14.8THz to > 22.5THz, > > > http://en.wikipedia.org/wiki/Wien%27s_displacement_law#Frequency-dependent_formulation > > gives 251K to 387K. > > So, a resistive heater would give you the upper band and for the lower > band, you'd need a Terahertz source: > > http://en.wikipedia.org/wiki/Terahertz_radiation > > Like this one: > > http://en.wikipedia.org/wiki/Backward_wave_oscillator > > > > > > 2012/4/5 Abd ul-Rahman Lomax <a...@lomaxdesign.com> > >> I've been looking at: >> >> Letts, D. and P.L. Hagelstein. Stimulation of Optical Phonons in >> Deuterated Palladium. in ICCF-14 International >> Conference on Condensed Matter Nuclear Science. 2008. Washington, DC. >> >> http://lenr-canr.org/acrobat/**LettsDstimulatio.pdf<http://lenr-canr.org/acrobat/LettsDstimulatio.pdf> >> >> This work has not received adequate attention. >> >> There is more at >> http://www.iscmns.org/CMNS/**JCMNS-Vol3.pdf<http://www.iscmns.org/CMNS/JCMNS-Vol3.pdf>-- >> page 59 et seq. (PDF page 65) >> >> Summary: >> >> A cathode of palladium foil is prepared, according to a protocoal which >> Letts has found has high success at producing excess heat. The cathode is >> loaded to perhaps 85% (?), then an alternate anode of gold is energized, >> and gold is thus plated onto the cathode. Electrolysis power is maintained >> after the loading period and through the experiment. >> >> The cathode is illuminated at a spot with two lasers, tuned to produce >> beat frequencies in the range of 3-22 THz. >> >> Many experimental issues remain to be explored. However, aside from some >> unlikely possibilities, it appears that there is a strong response to >> stimulation, such that when there is, under the experimental conditions, no >> laser stimulation, or stimulation off-resonance, there is little or no XP. >> The response appears to be quantitatively predictable. Further, that there >> would be such a response was predicted from theory by Hagelstein. However, >> it is not my purpose here to go into the Hagelstein's theory and its >> implications, except to note that this work may be helping to elucidate >> conditions under which cold fusion takes place. It is the level of control >> that is important. >> >> (One of the problems in the field is that there may be alternate >> conditions, there is not necessarily just one mechanism. We need to keep >> that in mind. For example, the Letts work generally involves using a strong >> magnetic field, whereas other work shows XP without a strong field. On the >> other hand, perhaps only a weak field is needed! Such as that of the earth. >> Field orinetation might matter! One of the avenues of approach here is to >> explore the effect across a range of magnetic field strengths and >> orientations. Obviously, as well, laser stimulation is not a necessary >> cause of XP under all conditions. The Letts cells may be, I can speculate, >> held at a loading level under that where the normal FPHE arises; but the >> THz stimulation shoves them into activity.) >> >> In order to replicate this work, THz stimulation is required. To do it as >> Letts did it is expensive. >> >> How can stimulation, perhaps at 14.8 THz or 21.78 THz, be arranged? It >> may be possible to obtain inexpensive laser diodes chosen in pairs to >> produce these frequencies, or close enough. (How close is necessary is a >> matter to be explored). The power need not be high, there are signs that >> the triggering threshold may be below 1 mW per laser. It may be possible to >> tune inexpensive diodes by controlling their temperature, over a limited >> range. >> >> Filters in the THz region might also be obtained or fabricated. >> >> For general interest, I'll add some results of prior discussion. The gold >> deposit appears to be necessary for laser stimulation to have an effect. It >> is that layer, perhaps, that mixes the two laser frequencies, producing the >> effective beat frequency. >> >> Plans are underway to analyze cell atmosphere and used cathodes for >> helium, and, at least at first, this could be an important aspect of this >> work. There is speculation that the resonance above 20 THz is due to >> hydrogen, and so the product from that stimulation might not be helium! It >> is conceivable that the cathode design with a gold deposit traps helium, >> better than an open cathode would. If so, full analysis of the cathode >> might reveal a great deal of information about reaction site as well as, >> perhaps, better determination of reaction Q (heat/helium) than has >> previously been obtained. >> >> Any brainstorming, especially informed, on how to generate the THz >> stimulation will be appreciated. My goal, generally, has been to lower the >> entry cost for doing important cold fusion experimental work. >> >> > > > -- > Daniel Rocha - RJ > danieldi...@gmail.com > > -- Daniel Rocha - RJ danieldi...@gmail.com
