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Rare earth fiber lasers act as machine cutting tools.(PROCESS TECHNOLOGY)(Brief article)

Advanced Materials & Processes,  May, 2007  

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Fiber lasers doped with low levels of a rare earth element such as ytterbium are completely solid state, very compact, and significantly smaller than the equivalent C[O.sub.2] gas lasers, says TWI, Cambridge, England. The lasers are four times more energy efficient than current C[O.sub.2] lasers.

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The laser diodes have projected lifetimes of about 100,000 hours and require essentially no maintenance. These advantages have particular significance when a laser is incorporated into a machine tooling operation. The cutting speeds available on thin ...

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