Neodymium doped yttrium aluminum garnet (Y3Al5O12) nanocrystalline ceramics -: a new generation of solid state laser and optical materials
Neodymium doped yttrium aluminum garnet (Y3Al5O12) nanocrystalline ceramics -: a new generation of solid state laser and optical materials
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DOI：
10.1016/s0925-8388(02)00083-x
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发表时间：
2002-07-17
影响因子：
6.2
通讯作者：
Kaminskii, AA
中科院分区：
文献类型：
--
作者：
Lu, JR;Ueda, K;Kaminskii, AA
我们在高透明纳米晶钇铝石榴石Y3Al5O12 （YAG）陶瓷的基础上开发并充分表征了新一代固态激光和光学材料。我们认为这种新型无机激光介质是对纳米晶Nd3+:YAG陶瓷的激光和光谱参数的最新研究结果的例证。重点研究了激光二极管泵浦作用下的吸收、发光、受激拉曼散射特性以及波长为1064nm的高效连续波振荡。结果表明，这种新型激光材料可以很好地替代Nd3+:YAG单晶。特别是，在Nd3+:YAG陶瓷和单晶棒的初步对比激光实验中，陶瓷和单晶棒的光光效率分别为30%和34%，输出功率分别为88 W和99 W。研制了连续波1.46 kW大功率Nd:YAG陶瓷激光器。最近，激光振荡在约1.32 μ m也被证明。(C) 2002 Elsevier Science B.V.版权所有
We have developed and adequately characterized a new generation of solid-state laser and optical materials on the basis of highly transparent nanocrystalline yttrium aluminium garnet Y3Al5O12 (YAG) ceramics. We consider this new type of inorganic laser media as an illustration of selected results of the latest investigations of laser and spectroscopic parameters of nanocrystalline Nd3+:YAG ceramics. In particular, absorption, luminescence, stimulated Raman scattering properties, as well as highly efficient CW laser oscillation at wavelength of 1064 nm under laser-diode pumping were investigated. The results show that this new laser material is a very good alternative to Nd3+:YAG single crystals. In particular, in preliminary comparison laser experiments with both Nd3+:YAG ceramic and single-crystal rods, output powers of 88 W and 99 W were obtained corresponding to optical-to-optical efficiencies of 30% and 34% for ceramic and single crystal rods, respectively. A CW 1.46 kW high power Nd:YAG ceramic laser was developed. Quite recently, laser oscillation at approximate to1.32 mum was also demonstrated. (C) 2002 Elsevier Science B.V. All rights reserved.