[time-nuts] Symmetricom CSAC is Cs acting like a Rb unit

Poul-Henning Kamp 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 
>temperature down.

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    
Never attribute to malice what can adequately be explained by incompetence.

More information about the time-nuts mailing list