Re: Ultraviolet LED and neon.
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Uploaded by retrod1 on May 12, 2008
In my replication I was able to move the plasma inside the neon. It's a bit hard to see because of the reflection of the UV light on the neon tube. The neon lamp is a 5AH. The voltage for the neon is produced by a relay (back emf) wired as a buzzer. The 390nm UV LED is at the end of a six inch straw used as a light guide.
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Uploader Comments (retrod1)
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@retrod1 finally a real UV vid. Im laughing other people put 405nm as UV im glad to see a real UV wavelength or the biproduct.
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i also used a laser collimator to tighten the beam,that might get the neon that didnt react to work
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thanx again for repeating this-now we need to work out what this could be applied to.
possibley light switching of high voltage.
ideas?
m3sca1 3 years ago
This appears to be a "photoionization" effect. Most of the papers written about this are on 'pay for view' services, thats a shame. Also, look up "hollow cathode lamp" on Wiki. I also noticed some of my neon lamps will not display the effect and only a few do, that's also interesting in itself.
retrod1 3 years ago