High efficient Nd:YAG laser ceramics fabricated by dry pressing and tape casting
High efficient Nd:YAG laser ceramics fabricated by dry pressing and tape casting
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干压流延法制备高效 Nd:YAG 激光陶瓷
DOI:
10.1016/j.jallcom.2014.08.083
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发表时间:
2014-12
影响因子:
6.2
通讯作者:
Cao, Yongge
中科院分区:
文献类型:
--
作者:
Ma, Chaoyang;Dai, Zhen;Guo, Wang;Cao, Yongge
We successfully fabricated Nd:YAG ceramics with single body and composite structure respectively by dry pressing and tape casting. The experimental results showed that the full dense microstructure could be obtained with grain size of about 10 μm. The optical transmittance exceeds 80% for both ceramics. After high temperature annealing treatment, the Nd ions valance state changes from +2 to +3 based on the electron paramagnetic resonance. By using a 808 nm diode laser as the pumping source, we obtained C.W. laser output with the slope efficiency up to 70%, compared with that of 44% as we did for Nd:YAG single body ceramics.
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