[time-nuts] Home built cesium clocks???

Magnus Danielson magnus at rubidium.dyndns.org
Sun Jun 29 11:43:05 EDT 2008


From: Bruce Griffiths <bruce.griffiths at xtra.co.nz>
Subject: Re: [time-nuts] Home built cesium clocks???
Date: Mon, 30 Jun 2008 01:46:54 +1200
Message-ID: <4867924E.6040702 at xtra.co.nz>

> One design for a tunable Littrow ECDL built using catalog parts plus a 
> little machining is:
> 
> http://optics.ph.unimelb.edu.au/atomopt/publications/littrow_rsi_vol72_p4477_2001.pdf

More on
http://optics.ph.unimelb.edu.au/atomopt/diodes.html
http://optics.ph.unimelb.edu.au/atomopt/atomopt_publications.html

Toptica has stabilisation schemes to narrow linewidth towards a few Hz:
http://www.toptica.com/page/applications_scientific_diode_lasers_coherence-control_narrow-linewidth_broad_linewidth_coherence-length.php

Combining that with the S/N dependence on linewidth observation should be
nice reduction of that S/N source. However, one must recall all the outer
noise-sources and not overoptimize that part. 

Cheers,
Magnus



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