Beam expander

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The laser beam expander mainly has two purposes: one is to expand the diameter of the laser beam; Second is to reduce the divergence angle of the laser beam. The purpose in the laser device is to extend the diameter of the beam. Due to the smaller diameter of the laser beam produced by the laser generator, compared to a beam without the beam expander, the beam after the beam expander can be focused smaller. In laser marking machine, the beam expander is always used with flat scan lens, making the marking spot finer, more accurate marking. There are two types to fix the beam expander, one is to use M22 threaded connection, the other is to fix directly on the adjustment frame with screws. The shape of the laser beam expander can be divided into two, one is straight type, the other is trumpet. In most cases, the shape won’t affect the performance, the same magnification beam expander lens installed in two shape are the same, you can replace each other.

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Suzhou Xuhong Optics Technology Co.,Ltd

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