[time-nuts] Re: Creating a D.I.Y Rubidium Atomic Clock

[zfe at gmx.net]

Hi,

In
https://www.unine.ch/files/live/sites/ltf/files/shared/Publications/2013/2013_These_Bandi_Thejesh.pdf

you find an interesting description of  "DIY"ing a rubidium clock (it
was build for a PHD thesis).

Am 06.06.23 um 21:25 schrieb Leo Ahluwalia via time-nuts:
> Hello, my name is Leo, and I was wondering about the feasibility of
> creating a simple rubidium atomic clock at home, and good places to source
> parts for this sort of project. I was also wondering what instruments and
> specialized knowledge would be required depending on how pre-built the
> parts are, for example, the prerequisite knowledge for creating PLL(s) for
> both frequency division to provide an output and also to modulate the input
> of the microwave oscillator. Any good resources or PDFs would be greatly
> appreciated, as I am very new to frequency analysis and phase manipulation
> in general. I was also hoping to keep the cost of the project soft-line
> below 500$, though that would be assuming a decent level of precision and
> already possessing basic equipment (oscilloscope, multimeter, etc…). Safety
> is also a major concern, as I know while the intensity of the EM waves
> involved is low, the power source may or may not be. This is all of course
> assuming a basic design, where my assumption is that it will involve the
> microwaves being shot at a rubidium vapor cell which is directed towards a
> photodetector. This would then be connected up to the PLL and circuitry to
> both provide a stable standard while also modulating the microwave
> oscillator to offset any external environmental factors. I don't have a
> clear vision of what would truly be the best design for both simplicity and
> cost, though this is what I've found to be a common design in what I've
> looked at online.
>
>
> Thanks, Leo
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