Zhou Rui, Li Enbang, Li Haifeng, Wang Peng, Yao Jianquan
Institute of Laser and Optoelectronics, College of Precision Instrument and Optoelectronics Engineering, Tinajin University, Tianjin 300072, China.
Opt Lett. 2006 Jun 15;31(12):1869-71. doi: 10.1364/ol.31.001869.
A high-power continuous-wave (cw) Nd:YAG laser operating at 946 nm by utilizing a quasi-three-level transition is reported. The laser consists of a composite Nd:YAG rod end pumped by a fiber-coupled diode laser and a simple plane-concave cavity. At an incident pump power of 40.2 W, a maximum cw output of 15.2 W at 946 nm is obtained, achieving a slope efficiency of 45%. To the best of our knowledge, this is the highest output at 946 nm ever generated by diode-pumped Nd:YAG lasers. In addition, at an incident pump power of 15.2 W, a 1.25 W blue output at 473 nm is achieved with a simple compact three-element cavity and a type-I lithium triborate (LiB(3)O(5)) crystal as a frequency doubler.
报道了一种利用准三能级跃迁工作在946nm的高功率连续波（cw）Nd:YAG激光器。该激光器由一根复合Nd:YAG棒组成，由光纤耦合二极管激光器端面泵浦，并采用简单的平凹腔。在40.2W的入射泵浦功率下，在946nm处获得了15.2W的最大连续波输出，斜率效率达到45%。据我们所知，这是二极管泵浦Nd:YAG激光器在946nm处产生的最高输出。此外，在15.2W的入射泵浦功率下，通过一个简单紧凑的三元腔和一块I型硼酸锂（LiB(3)O(5)）晶体作为倍频器，在473nm处获得了1.25W的蓝色输出。
