On Jul 1, 1:14*am, "Szczepan Bialek" wrote:
*"Cecil Moore" wrotenews:a75e79a9-d0fd-4717-a451-
Laser light can usually be considered to be coherent light
No. People produce the coherent light in :http://en.wikipedia.org/wiki/File:HalbachArrayFEL.png
You say lasers are not coherent and then post the url containing
"Description: Free Electron Laser Diagram"?
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73, Cecil, w5dxp.com