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Author Topic: Optically-induced charge separation and terahertz emission in unbiased  (Read 8786 times)

Offline Doug1

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Interesting paper from the  JOURNAL OF APPLIED PHYSICS 109, 064903 (2011) from  Division of Applied Physics, Randall Laboratory, University of Michigan, Michigan
  "
Charge separation mediated by linearly-polarized light in transparent insulators is analyzed
numerically by integrating the equations of motion of a bound charge. It is shown that large static
and transient dipole moments can be induced by the magnetic component of light at nonrelativistic
intensities regardless of whether the pumplight is coherent or incoherent. Quantitative estimates
show that efficient conversion of optical beams to electrical power is possible in lossless dielectric
media and that THz radiation can be generated in unbiased materials through the use of transverse
optical magnetism. [/font][/size][/font][/size]VC 2011 American Institute of Physics. [doi:10.1063/1.3561505]
   Full doc is located at http://web.eecs.umich.edu/~scr/FisherJAP2011.pdf
 
 This paper may or may not be partly usefull in understanding or varifing the posibiilty of Tesla's radiant energy collector using a plate like a solar panel if a polish was applied to the plate which acted as a clear dilectric insulator.[/font][/size][/font][/size][/font][/size][/font][/size]

Offline blueplanet

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Terahertz wave is just far infrared light.
There are plently of inefficient ways to mix down a terahertz wave into a low frequency radio wave.
Do you think this radio wave can become our household electricity supply?

Offline Doug1

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No I dont think stepping it down to radio wave length is required when you could take all the way down to what ever your system uses. I found the paper to be pretty much right on que. Solar cell tech has to be kept out of reach for the home DIY'er. Imagine if people could buy 10 ft bundles of fiber optic cables and a magnifying lense and build thier own cheap and easy. No one will proffit from that. Worse still since your not knocking electrons free in the meterial it will last for ever unlike normal cells. This method also takes up less space in a sense. The length of the fiber the light tavels through can be extreamly long wrapped up in a coil/s placed in the ground out of the way. Im not going to explore it right now I will come back to it after I find a free source of left over fiber optic cable. Window glass would be difficult in long enough lengths and I dont have any laying around but if some happens along I will test it out on a micro scale. It would be funny if it can be built as a layered cap with glass and foil just by exposeing the edges of the glass to sun light. It would likely take a lot of layers to make up for the shorter lengths.

Offline blueplanet

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Could you post a copy of this paper on the forum?
Or equally, could you kindly post the title of the paper?

No I dont think stepping it down to radio wave length is required when you could take all the way down to what ever your system uses. I found the paper to be pretty much right on que. Solar cell tech has to be kept out of reach for the home DIY'er. Imagine if people could buy 10 ft bundles of fiber optic cables and a magnifying lense and build thier own cheap and easy. No one will proffit from that. Worse still since your not knocking electrons free in the meterial it will last for ever unlike normal cells. This method also takes up less space in a sense. The length of the fiber the light tavels through can be extreamly long wrapped up in a coil/s placed in the ground out of the way. Im not going to explore it right now I will come back to it after I find a free source of left over fiber optic cable. Window glass would be difficult in long enough lengths and I dont have any laying around but if some happens along I will test it out on a micro scale. It would be funny if it can be built as a layered cap with glass and foil just by exposeing the edges of the glass to sun light. It would likely take a lot of layers to make up for the shorter lengths.

Offline Doug1

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I used the title of the paper as the topic title and a pdf link in the first post as a hyper link using the addy of the file.

Offline blueplanet

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Thank you. I just read the paper.

But if my understanding is correct, the paper does not mention how to use the terahertz output as an electric power source?

How can you use this terahertz output to power a motor, water boiler or whatever we use in our daily lives?

(EDIT: also, how can you measure the power the the terahertz output? )