| hopebox |
2014-10-29 20:30 |
[attachment=59416] {s;U~!3aY
The user manual says: ,i@X'<;y
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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. J`2"KzR0w"
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For the "position", consider the picture attached.
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