LED color change 2
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Uploader Comments (mariachitv)
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All Comments (5)
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because the particles are moving slower, so the light is reflected slower, or the opposite. We r learning about this in school
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Where's the music from? What's the name and artist?
It's so familiar...
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WHY?!?!?!?!?!
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Is it because the cooling allows it to conduct better and results in a faster oscillation? i.e. the light waveform is now shortened thus resulting in a shift away from red end of the spectrum?
gollumondrugs 4 months ago
@gollumondrugs it is because the bandgap in the diode is temperature dependent. In LN2 the gap is wider and hence the change in color.
mariachitv 4 months ago