[time-nuts] homebrew maser
cdelect at juno.com
Tue Aug 31 17:58:32 UTC 2010
The precision on the cavity itself does not need to be so tight as a
mechanical tuning plunger takes up the initial tuning slack.
The varactor tuning covers more than 10Khz
This cavity is held at approx. 50 degrees C.
The collimator for an active maser is a bundle of MANY hollow glass tubes
that have been stretched by a glassblower to reduce the diameter of the
holes to very tiny size.
Takes an expert!
For a passive maser a smaller number of tubes with larger teflon coated
holes can be used.
On the output of either style either a quadrapole or hexapole permanent
magnet assy. is used to focus the beam.
Tom VanBaak is going to host the manuals on his Leap Second website.
I'll post on time nuts once they are there!
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