Chinese Journal of Lasers, Volume. 40, Issue 10, 1002001(2013)
Hundreds Watts Nd:YAG Slab Laser Amplifier with High Beam Quality
An end pumped Nd:YAG slab laser amplifier is presented. Low doped and composited Nd:YAG slab is used to obtain continuous wave output power of 330 W and beam qualities of M2x=1.23, M2y=1.73 under the 3 passes amplification stucture. Taking advantage of 4f image system, the loss from light cutoff is reduced and the uniformed energy extraction is realized. In addition, gain coefficients are calculated by the output power of single and multiple pass amplifications. It is also investigated that the multiple amplification structure is good to restrain the amplified spontaneous emission.
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Wang Dan, Zhou Tangjian, Wang Juntao, Tong Lixin, Hu Hao, Li Mi. Hundreds Watts Nd:YAG Slab Laser Amplifier with High Beam Quality[J]. Chinese Journal of Lasers, 2013, 40(10): 1002001
Category: Laser physics
Received: Apr. 25, 2013
Accepted: --
Published Online: Oct. 20, 2013
The Author Email: Dan Wang (20930103@zju.edu.cn)