Timeline for Is it possible to generate light with an antenna?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Apr 2, 2021 at 20:18 | comment | added | Marcus Müller | @J... exactly! I hoped to make it clear that it's more of a mixer / RF antenna hybrid device than a "light antenna" in the last sentence of my answer. | |
| Apr 2, 2021 at 8:48 | comment | added | J... | It's worth noting that the THz antenna you're showing does not produce light in the visible spectrum - it's much longer than that at around 300μm (vs 700nm for the longest visible red), effectively the far infrared. Closer to microwaves than to visible light. Nature already provides us with excellent antennas for visible light - atoms. | |
| Apr 1, 2021 at 13:58 | vote | accept | Kinka-Byo | ||
| Mar 31, 2021 at 18:23 | comment | added | John Doty | This is the correct answer. Optical antennas are within reach of photolithography. Oscillators, amplifiers, and mixers need different technology than we use for longer wavelengths, but that's normal: you can't make millimeter waves with DeForest's triodes either. However, if you'd asked about x-rays... | |
| Mar 31, 2021 at 12:48 | history | answered | Marcus Müller | CC BY-SA 4.0 |