Larry Reynolds wrote:

>Consider the optical power densities within a single mode fiber (~8 um)
>driven with 100 watts of optical power:
>
>        Pd = 100/(PI*(8e-6)^2) or 497.4 trillion watts/m^2
>
>        egads!!!!!!!!!!!!
>
So what, ...
if it is lossless
Stef

>
>Larry
>
>
>Mark Perri wrote:
>
>
>> From this blurb, it looks like DARPA is trying to make a >100W fiber and
>>eventually 100kW for "speed of light engagement."
>>
>>http://www.darpa.mil/tto/programs/hpfl.html
>>
>>
>>
>
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