[time-nuts] Symmetricom CSAC is Cs acting like a Rb unit
phk at phk.freebsd.dk
Wed Jan 19 20:53:14 UTC 2011
In message <4D37419F.2040906 at rubidium.dyndns.org>, Magnus Danielson writes:
>On 01/19/2011 06:44 PM, Poul-Henning Kamp wrote:
>> In message<DBB70463B9D04F6589FBF97B2E4BE131 at vectron.com>, "Bob Camp" writes:
>I agree, for the CSAC I would expect that the laser would slowly dim,
>especially as it sits within the oven. Not optimum to keep the junction
Not so sure about that.
There is no way to hold it on wavelength without active temperature control
and as far as I can tell, that is a tiny peltier for a tiny laser, so proper
design should allow them to select a sensible temperature.
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
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