I see. Is the beam waist the same thing as beam thickness?

送交者: 蓝隼于 2012-05-17, 17:06:41:

回答: Neo said: there is no vaccum. 由 steven 于 2012-05-17, 17:02:52:

I mean the diameter of the laser beam-not sure if this is the right term to discribe it.

not really, beam thickness, beam diameter - steven (570 bytes) 2012-05-17, 18:19:17 (665659)