On 3/21/17 5:25 PM, Bob Camp wrote:
Hi

Ummm … errrr …. it’s a gas cell standard. I’d bet there is a pressure effect.


But the gas cell, the laser, etc. is in a vacuum - that's the "wear out" mechanism for a CSAC - the getter fills up, the pressure inside the vacuum package increases, and the heater can't keep it hot.

I'm speculating here... I don't really know enough about the guts of the CSAC to be sure.


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