On 11/3/16 1:54 PM, Bob Camp wrote:
Hi
Since you can *buy* a working Rb that runs to a given level. My assumption is
that
the objective is to do something that is significantly better than you can get
for $100
or less. I see no point in setting up to build a device that it 10X worse and
costs 10X
more money.
Making the physics package of a good Rb takes a lot of custom tooling. It also
takes
a bunch of engineering experiments to get the process running on that tooling,
You
also need to train the operators on how to do this or that with the setup. If
good performance
is the goal, you probably need some sort of quality process backing it all up.
If you look at a modern CPU as “just a handful of sand and some stuff”, it seems
pretty easy to build one in the kitchen after an hour or two of setup. When you
dig
into the nasty details the line costs rapidly spiral off into the stratosphere.
Atomic
standards are not quite as complex, but there still is more than just a little
custom
equipment involved. $1M sounds a bit on the low side of what it might take.
Two books everyone contemplating this should have:
Procedures in Experimental Physics, John Strong
Roll your own, in the 30s and 40s.
Building Scientific Apparatus, Moore, Davis, Coplan, and Greer
Vacuum systems, Ion optics, Temperature control, etc. etc.
https://www.amazon.com/Procedures-Experimental-Physics-John-Strong/dp/0917914562
https://www.amazon.com/Building-Scientific-Apparatus-John-Moore/dp/0521878586
I figure everyone on this list is already sufficiently knowledgeable
about oscillators, amplifiers, etc.
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