[time-nuts] EFOS Maser turns 34!

cdelect at juno.com cdelect at juno.com
Thu Jan 5 13:02:41 EST 2017

"Copper has a quite high temperature expansion, so could you servo
that via the cavity temperature ?"

To answer, both Copper and Aluminum cavities use the temperature setting
to coarse tune the cavity.

Fine tuning is via Varactor diode and modern Masers do servo "Auto-tune"
the cavity to reduce drift.


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