编辑特辑

Y YAG激光器-性质和应用

掺-钇铝石榴石(Yb:YAG) laser is one of the most promising laser-active materials that are more suitable for diode-pumping than the traditional Nd-doped systems. Yb:YAG crystals have large absorption bandwidth than the commonly used Nd:YAG crystal in order to minimize thermal management requirements for diode lasers, and facilitate longer upper-laser level lifetime and low thermal loading.

Other key properties of Yb:YAG laser include:

  • 高边坡效率
  • 宽吸收带
  • 低分数加热
  • 高光学质量
  • 高导热率。

The broad absorption band of the Yb:YAG laser enables it to maintain uninterrupted pump efficiency over the thermal shift of diode output. Thus, Yb:YAG laser is ideal for high power diode-pumped lasers and other potential applications.

激光特性

激光特性
激光类型 固体
泵源 激光二极管/闪光灯
工作波长 1.03微米

物理和化学特性

物理和化学特性
晶体结构 立方体
熔点 1965°C
莫氏硬度 8.25
比热容 0.59焦耳/克
导热系数 11.2瓦/米
杨氏模量 335加仑

应用领域

Yb:YAG lasers are suitable for high-power operation such as thin-disk lasers. Wide pump band and excellent emission cross-section of Yb:YAG crystal makes it ideal for diode pumping. It is also used for welding, cutting and material processing applications.

Multiphoton microscopy, ultrashort pulse research, LIDAR and optical refrigeration are some of the other major applications of Yb:YAG lasers.

参考文献

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