Fibre lasers offer new potential for plastics welding and marking.(finishing)

From: British Plastics & Rubber | Date: February 1, 2008 | Copyright information

FIBRE lasers are making their mark, both figuratively and literally, on plastics.

The fibre laser uses the same photon-pumping principle as other lasers but has some special and useful advantages. It is based on what is essentially a common optical fibre, but doped with a very small amount of a rare-earth element such as erbium, ytterbium, neodymium, dysprosium, praseodymium, or thulium. The fibre laser generates the beam inside the fibre so it can be directed anywhere w...

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