SPP happen at the interface between a dielectric a material with a *negative* index of refraction.(a metal the reflect light).
should read SPP happen at the interface between a dielectric and a material with a *negative* index of refraction.(a metal the reflect light). On Tue, Mar 4, 2014 at 11:32 PM, Axil Axil <[email protected]> wrote: > SPP happen at the interface between a dielectric a material with a > *negative* index of refraction.(a metal the reflect light). > > Do CNTs qualify. They must if the Chinese say so. > > *Negative Refractive Index Metasurfaces for Enhanced Biosensing * > > > *Research as follows:* > > Inorganic ultrathin nanocomposites include metals and metal composites, > various oxides, semiconductor materials, different inorganic compounds but > also pure elements. Various metals were reported as freestanding > nanomembrane materials, including chromium, titanium, tungsten, nickel, > aluminum, silver, gold, platinum; most of these being structural metals > having both electromagnetic and mechanical functions at the same time. > Elemental semiconductor nanomembranes were also reported, and among them, > an especially important mention belongs to silicon freestanding structures, > which are connected with the most widespread and mature technology. Silicon > with a thickness ranging between 10 nm and 100 nm was mentioned for > instance in the context of nanomembrane-based stretchable electronics [95]. > Buckled silicon nanoribbons and full nanomembranes were also reported [96]. > *Materials > **2011*, *4 **7 * > > *An important material for nanomembranes in CBB sensor applications is > carbon, which may be used in membranes in the form of carbon nanotubes [97] > or as freestanding, ultrathin diamond or diamandoid film [97]. *The > excellent mechanical properties of such carbon-based materials make them > convenient for their use as reinforcements for the nanometer-thin > freestanding structures, but also as the dielectric part of the > metasurfaces. Other classes of inorganic freestanding nanomembranes include > oxide, nitride and carbide structures, many of them used either as > wide-bandgap semiconductors or insulators. Silicon dioxide nanomembranes > [98] are among the important ones, again because of the widely available > and mature silicon technology. Other materials include silicon nitride, > titanium dioxide, gallium arsenide, *etc*. A special class of interest > for this review belongs to plasmonic materials. These include Drude metals. > Freestanding gold films with a thickness below 100 nm have been known for a > long time [99]. In our experiments we fabricated chromium-containing > nanomembranes down to 8 nm thickness and with areas of tens of millimeters > square [94,100]. Another possibility to obtain freestanding nanomembranes > with plasmonic properties is to utilize non-metallic Drude materials like > transparent conductive oxides (e.g., tin oxide, indium oxide, *etc.*) > [101,102]. Symmetric plasmonic nanomembranes may be fabricated as laminar > nanocomposites. Possible implementations include sandwich structures in > which top and bottom layers are plasmonic material, while the middle layer > may be any material serving as a support. Figure 1 shows an example of our > free-floating nanomembrane with an overall thickness of 35 nm and a > metal-dielectric-metal structure. *Figure 1. *Free-floating laminar > metal/dielectric/metal nanomembrane, strata thickness 10 nm + 15 nm + 10 > nm, metal Au, dielectric silica, lateral dimensions 2 cm × 8 mm, support > polished Si. > > > > > On Tue, Mar 4, 2014 at 11:04 PM, Bob Cook <[email protected]> wrote: > >> Axil >> >> The Chinese paper said: >> >> >>>The calculated dispersion curves are shown in Fig. 4. Different from >> that of the planar structure, in the cylindrical case the electron beam >> line intersects with >> >> dispersion curves at two points of the two modes.<< >> >> It seems to say that the SPP phenomenon can occur on plane surface as >> well as a cylindrical surface. Is this your understanding? It makes CNT >> even more interesting as a location for SPP to occur. >> >> Bob >> >> ----- Original Message ----- >> *From:* Axil Axil <[email protected]> >> *To:* vortex-l <[email protected]> >> *Sent:* Tuesday, March 04, 2014 9:44 AM >> *Subject:* Re: [Vo]:Resonant photons for CNT ring current >> >> 100 megawatts per cm^2 is only 10^8 watts per Cm^2. I have seen in >> research papers and have posted about 10^15 watts per cm^2 maximum seen in >> nanoplasmonic research. >> >> I suspect that 10^20 watts per cm^2 is produced inside the Ni/H reactor >> because of the optimized nanoparticle configurations used. >> >> This will produce a magnetic field at 10^16 tesla. >> >> >> On Tue, Mar 4, 2014 at 12:15 PM, Jones Beene <[email protected]> wrote: >> >>> >>> >>> *From:* Bob Cook >>> >>> >>> >>> Well the Chinese paper answers your recent question about what type of >>> radiation is produced in the SPP phenomena. >>> >>> >>> >>> Whoa. SPP can produce a radiation power density 100 megawatts per cm^2? >>> Is that a typo? >>> >>> >>> >>> That is quite a shock, in more ways than one ...<g> even if the authors >>> had somehow missed it by a factor of 100... the only question we should be >>> asking ourselves is: why isn't everyone in LENR jumping on implementing SPP >>> into their experiments ? >>> >>> >>> >>> Perhaps the reputation of the Terahertz Research Center, School of >>> Physical Electronics, University of Electronic Science and Technology of >>> China is not considered by some to be credible? >>> >>> >>> >>> No... methinks the core problem is plain old inertia and smugness... of the >>> First World variety... >>> >>> >>> >>> BTW - in terms of education, most of the authors of this paper were >>> probably educated here. The State Dept says that of the 1,777 physics >>> doctorates awarded in 2011, a typical year, over a third 743 went to >>> temporary visa holders - most of whom come from Asia. That should come as >>> no surprise to anyone walking around the top University physics departments. >>> >>> >>> *From:* MarkI-ZeroPoint >>> >>> >>> >>> >>> http://www.ece.umd.edu/~antonsen/Data/IRMMW-THz%202013/Extended%20Abstracts/2013-09-03-Tu/TU12-6.pdf >>> >>> >>> >>> Thanks for posting that reference. And I might draw your attention to >>> my posting a few mins ago... "Of Metronomes and Molecules..." Once again, >>> we find ourselves bumping into each other down in this rabbit hole... ;-) >>> >>> Yes, looks like there is an emergent meme within the vortices of >>> cyberspace which we are tuned into this week ... another angle on the >>> metronome effect would a new kind of phonon cooling (as in laser cooling). >>> >>> BTW - if in a nanotube experiment - there does exist a "virtual rabbit >>> hole" for "virtual cooling" in which bosons at high temperature can >>> condense, then the inside diameter of the CNT could be such a space. A >>> Cooper pair of electrons is a composite boson. >>> >>> Thus there could be a hybrid or two step regime for LENR which is based >>> on electron acceleration, via CNT entrapment. (not to mention other >>> possibilities). >>> >>> >>> >>> >> >
