The company boasts that it produces over 300 watts (300W) of power in the C band, with 60% efficiency of power conversion.

公司称，已开发成功C波段，功率为300W，功率转化效率为60%的放大器。

youdao

The broad luminescence band is emitted with an efficiency of 1-5%.

发光谱呈较宽的线形，其效率约为1%—5 %。

youdao

So it is not necessary to use a broad-band laser to guarantee excitation efficiency for an atom with hyperfine split levels.

因此，在这样激光功率条件下，为提高原子激发效率而增加激光谱线宽度的做法并不是必要的。

youdao