抽运方法已成为影响光纤激光器输出功率的关键因素，有比较重要的意义。
The pumping method has become the key factor which affects the output power of fiber lasers.
在半导体激光器芯片腔面镀上钝化薄膜是提高大功率半导体激光器输出功率的有效方法。
The coating passivation film method on the facets of semiconductor laser diodes is effective to the increase of output powers of high powers semiconductor laser diodes.
但是半导体激光器输出功率较小，在几十到几百豪瓦量级，在一些实际应用中受到一定的限制。
However, the output power of semiconductor lasers is too small, which is about in the tens to hundreds of milli-watts magnitude, so in some practical applications, it is a big problem.
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