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Registered Member #2578
Joined: Sun Dec 27 2009, 09:21PM
Location: USA Utah
Posts: 31
after opening up a magnatron today I have been questioning the titles on "EM spectrum charts" that I have seen in school. I think grouping radios and microwaves together with light is false. instead it should be named "frequency spectrum chart" .
The main reason I think this is because magnatrons are a mechanically based radio transmitter, it takes a plus and a minus, a mechanical oscillator and an antenna. has anyone ever done that with "light" ???? I think the statement electron=photon is FALSE
any one care to explain?
if it is false then technology has not developed anywhere since the microwave oven. just more of the same, higher density, and adjusted the recipe so it all fits together nicely for now.
Registered Member #2578
Joined: Sun Dec 27 2009, 09:21PM
Location: USA Utah
Posts: 31
I guess what I am asking is for proof, has anyone built a "light band antennae" have they noted different behavior than radio. ever wonder if it really is the same thing? I guessing it might not be. where is the experiments to show that it is?
Registered Member #30
Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
I used to do a lot of work with lasers and fibre optics. They behave just like little magnetrons and waveguides. The only difference is that as the frequency goes up, quantum effects become more obvious. The amount of energy in a "photon" of microwave radiation is so small that you probably couldn't detect it as a discrete entity.
The magnetron isn't a mechanical oscillator, it's an electron device. The only part that moves or vibrates is the electron cloud around the cathode.
Registered Member #235
Joined: Wed Feb 22 2006, 04:59PM
Location:
Posts: 80
D Rosey wrote ...
I guess what I am asking is for proof, has anyone built a "light band antennae" have they noted different behavior than radio. ever wonder if it really is the same thing? I guessing it might not be. where is the experiments to show that it is?
Yes they have received and transmitted light using nano-tube antennas. One example
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The EM spectrum charts
The only difference is that as the frequency goes up, quantum effects become more obvious. The amount of energy in a "photon" of microwave radiation is so small that you probably couldn't detect it as a discrete entity.
