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Could you use a harmonic of a microwave freq, in visible light, to cause beat interference. Eg, using a known peak wavelength of microwave of very low power and a laser at very close not not exact f4 harmonic to set up a beat wave patterns. Then use the pattern to gain information about the low power microwave signal. This is probably hugely flawed but playing with a laser and tuning a guitar the same time, and the idea kinda popped into my head. Thinking specifically CMB
ps just using beat as a placeholder for the type of interference, was thinking with the advances lately it would be possible to use a ccd and an oscilloscope to read patterns in the interference. Not sue about a tunable laser as a harmonic source, as I do not think I can get the lines I need that route using anything I could afford or if its even possible
ps just using beat as a placeholder for the type of interference, was thinking with the advances lately it would be possible to use a ccd and an oscilloscope to read patterns in the interference. Not sue about a tunable laser as a harmonic source, as I do not think I can get the lines I need that route using anything I could afford or if its even possible
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