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Fitness Equipment & Home Gyms :: |
New Fiber Optic Technology
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Tags: Fiber Optic Physics Science Technology
Channel: News & Politics
Uploaded: May 26, 2007 at 12:12 am
Author: MyEarbot
Length: 01:39
Rating: 4.00
Views: 32347
By twisting fiber optic strands into helical shapes, researchers have created unique structures that can precisely filter, polarize or scatter light. Compatible with standard fiber optic lines, these hair-like structures may replace bulky components in sensors, gyroscopes and other devices.
While researchers are still probing the unusual properties of the new fibers, tests show the strands impart a chiral, or "handed," character to light by polarizing photons according to certain physical properties.
In conventional optical fibers, light is transmitted from one end to the other through a round core housed within a concentric outer cladding. But, because a circular core does not develop handedness when twisted, the research team wound rectangular-core fibers to create a double helix.
When the team tested the twisted fiber, they discovered that some photons left the core and entered the cladding. Photons with the same handedness as the fiber entered the cladding whereas photons with handedness opposite that of the fiber remained in the core.
This research was funded both NSF and the National Institute of Standards and Technology Advanced Technology Program.
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Video Comments
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KCR07UK (July 30, 2008 at 2:20 pm) |
| But they do get you Fibre-Optic broadband, Luke. |
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777molotov777 (July 26, 2008 at 1:22 pm) |
| that is interesting the light from the diode is forced to go only forward and so that the information in the fiber would be fast and more precise ! |
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luke08uk (July 8, 2008 at 7:35 pm) |
| u r all bofs |
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Bammok (June 25, 2008 at 4:49 pm) |
| coiling the fibers would reduce the light by forcing it to bend. this has little effect on the polarity of the photons. they are twisting the glass im guessing inside the fiber strand |
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velvetree (June 5, 2008 at 11:45 am) |
| I'm sorry but, we really didn't know that? It's like a big long screwed up pool table, if you hit the angle just right with thr right spin on it and it will bounce down the rails to the hole at the end of the optic. Those photons that hit the bank or inner core dead on will enter the cladding (non reflective) I would be more interested if they made a Tesla coil shaped fiber optic and what automatic polorization of photons might occur. |
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shiroakaishi (January 9, 2008 at 2:55 pm) |
| you could detect changes in the light's polarity to detect wether the filament was rotated along its long axis, like a sort of rotational accelerometer. |
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MattBlytheTheOne (September 2, 2007 at 1:24 am) |
| maybe photons could be filtered to automatically "find" their own path reducing the need for hard wired circuitry... |
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MattBlytheTheOne (September 2, 2007 at 1:21 am) |
| yeah! |
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MattBlytheTheOne (September 2, 2007 at 1:20 am) |
| interesting breakthrough that photons have polarity. I wonder what the implecations are and also what this technology could be applied to? Perhaps we could have photons travelling in both directions down the core and up the outer sleeve? Or perhaps photons have the ability to "store and carry" information? |
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Maux99 (August 22, 2007 at 9:35 pm) |
| haha, lots of ppl do... im 14 too |
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