| hopebox |
2014-10-29 20:30 |
[attachment=59416] zt-'SY
The user manual says: IRlN++I!
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Beam Size: The beam radius at the 1 over e^2 point in intensity in lens units. So it is defined as 半径. f<g>dQl E
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For the "position", consider the picture attached.
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