[time-nuts] Optical link connects atomic clocks over 1400 kmof fibre

Bruce Griffiths bruce.griffiths at xtra.co.nz
Thu Aug 25 03:07:54 EDT 2016

As long as you don't saturate it, bend it, hit it or drop it. Depending on the ambient field a multilayer shield with outer layers of high saturation magnetic material may be required.

    On Thursday, 25 August 2016 7:02 PM, David J Taylor <david-taylor at blueyonder.co.uk> wrote:

 From: Bruce Griffiths

You'd need a rather thick copper jacket to shield effectively against the 
50Hz magnetic field.

Would mu-metal be any use?


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