https://www.degruyter.com/view/j/nanoph.2015.4.issue-1/nanoph-2014-0003/nanoph-2014-0003.xml

Low-loss, infrared and terahertz nanophotonics using surface phonon
polaritons

Polaritons can be pumped using terahertz pumping.

On Tue, Jun 12, 2018 at 9:18 AM, Bob Higgins <[email protected]>
wrote:

> But, I think you missed the point (maybe).  Achieving an XH stimulation
> with such weak lasers, and in particularly at a required resonance in
> difference frequency in the THz range, is a key probe of the effect.  Yes,
> you might be able to generate some enhancement by brute force, but it would
> cloud the probe of the nature of the effect.  The efficiency will be low
> for conversion of the small power laser signal pair to a THz difference
> signal, so it means that the THz signal at the surface was extremely weak.
> Yet at the THz resonance, it had a very significant effect on the XH.  The
> THz signal was extremely weak compared to the XH that was stimulated and
> was clearly non-ionizing.  That THz-to-XH gain at such a low level is a key
> evidence of phonon involvement IMHO.
>
> On Mon, Jun 11, 2018 at 9:17 PM, Jones Beene <[email protected]> wrote:
>
>> Bob,
>>
>>
>>
>> One interpretation of the input parameters and the use of very weak
>> lasers by L/C (comparatively) is that for them to see any anomalous thermal
>> effect, they had to hit a special resonance frequency in order to get
>> results.
>>
>>
>>
>> OTOH if a far more powerful laser is available and is employed – then a
>> brute force approach negates the need to achieve an exact resonance.
>>
>>
>>
>> Thus a “special THz range”  could be red herring...
>>
>>
>>
>>
>>
>> *From: *Bob Higgins <[email protected]>
>>
>>
>>
>> Jones,
>>
>>
>>
>> I don't think the Letts-Cravens experiment is similar to Holmlid at all.
>> They used two calibrated wavelength lasers superimposed on the cathode.
>> They found that when the lasers were separated by a specific frequency
>> difference in the 10-20 THz range, there was a peaking in the XP.  For
>> there to be a frequency difference effect, there must be a nonlinearity -
>> likely a surface plasmon at the cathode surface - that allows the
>> difference frequency to form.  The difference frequency of 10-20 THz where
>> there was a peak in XP is VERY suggestive of phonon stimulation, something
>> compeletely different than Holmlid's experiment.
>>
>>
>>
>> *From: *Jed Rothwell <[email protected]>
>>
>> I do not think there is any evidence for muons in cold fusion.
>>
>> JB: There is actually plenty of evidence along with plenty of data some
>> of which was presented. You may not think the evidence is credible, but you
>> are not a nuclear engineer
>>
>>
>>
>>    - People who are nuclear engineers and nuclear physicists don't think
>>    so either.
>>
>>
>>
>> Some do, some don’t. George Miley for instance, who has far stronger
>> credentials than most critics of Holmlid, was actually a co-author with him.
>>
>>
>>
>>
>>
>>    - The main reason I know of is that if there were lots of muons, they
>>    would cause harm, and there is no sign of harm.
>>
>>
>>
>> There is not much sign of harm for airline crews who spend many hours at
>> altitude where muons are present in high flux. Furthermore, Holmlid has
>> suffered a health issue recently which could have been aggravated by
>> exposure to muons. The jury is out on this issue.
>>
>>
>>
>> In fact, muons are weakly interacting with light elements like carbon so
>> health issues are not expected but no one knows. The Curie’s health
>> problems, for instance, is a situation where they were exposed to muons, in
>> addition to gamma radiation, but no one has revisited the old cases to
>> estimate relative risks.
>>
>>
>>
>> Actually, there are stronger arguments against muons than health issues
>> but what is needed is a stronger independent replication.
>>
>>
>>
>> Since the so-called “Letts-Cravens effect” is similar to Holmlid’s
>> technique and has been replicated by others, it is conceivable that some
>> kind of hybrid experiment will emerge… sooner rather than later, it is
>> hoped.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>

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