[Laser] Target Mt. Blanc

Tim Toast toasty256 at yahoo.com
Mon Apr 19 06:40:07 EDT 2010


Hi Yves,
In that video, i half expected to be able to see the laser spot on snowy Mt. Blanc even though it is over 160km away :-) From that same location, it is tempting the way Mt. YungFrau sticks her peak out just visible at 270km like some kind of mountainous burlesque show!
It is very interesting about the way a NLOS signal can integrate the coherence noise and scintillation of the laser. By paying a price in signal strength via NLOS, you have reduced the coherence noise to almost nothing. I wonder how this relates to the diffusing screens talked about in those papers by Olga Korotkova on direct paths? In the case of NLOS, it is as if the bouncing point is acting as the diffusion screen.

Also, have you noticed any effects from that ash cloud from the volcano eruption in Iceland?

-toast





      


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