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!!!!!!!!!!!!

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
>

--
http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email listserv@mitvma.mit.edu with SET PICList DIGEST in the body