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Beam quality
There is an internal temperature gradient during the working process of the YAG welding machine, which limits the further improvement of the average laser power and beam quality. In addition, since the refractive index change rate of fiber laser welding is much smaller than that of semiconductors, the beam quality of optical fibers is better.
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Photoelectric conversion rate
The photoelectric conversion rate of fiber lasers is generally about 25%-30%, which greatly saves power consumption during work and saves operating costs. The photoelectric conversion rate of YAG laser is generally 2%-3%, and the power consumption is very large.
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Intelligent and maintenance cost:
Because there is no optical lens in the fiber laser resonator, it has the advantages of adjustment-free, maintenance-free, and high stability, which is unmatched by traditional YAG lasers.
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Power consumption and work efficiency
The fiber laser consumes only 1% of the power required by the YAG laser, and its efficiency is more than twice that of the YAG laser.
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Service life
Life of fiber laser light source: more than 100,000 hours.
YAG laser source life: about 15,000 hours.
