[time-nuts] Maser manual

jimlux jimlux at earthlink.net
Thu Sep 2 05:19:45 UTC 2010


Poul-Henning Kamp wrote:
> In message <4C7EB129.2090305 at rubidium.dyndns.org>, Magnus Danielson writes:
>> On 09/01/2010 09:39 PM, Poul-Henning Kamp wrote:
> 
> 
>> Yes, but what is the issues relating to sapphire loading? What's the 
>> cost of the sapphire block and having it machined?
> 
> It is a saphire tube, a readily available, if not exactly cheap, commodity.
> 

might not be all that expensive..
I just looked up optical quality balls from Edmund.. 5mm diameter is 
<$20 (of coure, 9.525mm is $60)

you might check http://www.melleroptics.com

0.250"OD X.150"ID X 0.875"LONG
SAPPHIRE TUBE PL/PL

is $110



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