上海激光打标机维修之激光扩束镜原理
上海激光打标机维修之激光扩束镜原理:
激光扩束镜原理,上海亮实激光,激光打标机配件,激光切割机配件,激光焊接机配件,激光配件,激光设备配件专业供应商。咨询QQ:283411460,电话15618766740.
Figure 1: Diagram of a beam expander
As shown in Figure 1, the lens M3 focuses the laser beam onto the front focus plane and the new beam waist w¢0 and divergence angle q¢ can be represented as
(1)
and
(2)
(3)
where w(l) is the radius of the beam entering the lens M3, l is the distance between the lens M3 and the beam waist w0 from the laser generator, and f3 is the focal length of the lens M3.
(4)
(5)
and
(6)
(7)
以上内容由上海激光打标机维修团队整理供稿!
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