Assessment of light scattering by pores in Nd:YAG transparent ceramics

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	Assessment of light scattering by pores in Nd:YAG transparent ceramics
	W. Zhang ; T. C. Lu ; N. A. Wei ; Y. Z. Wang ; B. Y. Ma ; F. Li ; Z. W. Lu ; J. Q. Qi
刊名	Journal of Alloys and Compounds
	2012
卷号	520 页码:36-41
关键词	Nd:YAG Transparent ceramics Mie scattering theory Scattering loss Defects optical-properties laser performance yag nanoceramics microstructure alumina nd luminescence y3al5o12 mgo
ISSN号	0925-8388
中文摘要	Nd:YAG ceramic samples with different transmittances were fabricated by vacuum sintering with 10 degrees C/min or 2 degrees C/min heating rate. SEM measurements revealed that the average pore size of samples was around 0.18 mu m while the porosity ranged from 0.0053% to 0.0022%. Mie scattering theory was applied to calculate the scattering coefficients as a function of the ratio between pore size and incident wavelength, pore size and porosity. The results showed that the simulated transmittances were in good agreement with the experimental values. The scattering loss was extremely low when the porosity was lower than 0.001% or the pore size was below 0.01 mu m. A novel approach, to synergetically control the parameters of sizes and densities of the pores quantitatively for low scattering loss Nd:YAG ceramics, was presented. This quantitative insight into the pore scattering effects of Nd:YAG ceramics would allow a more targeted experimental optimization of this laser material. (C) 2011 Elsevier B. V. All rights reserved.
原文出处	://WOS:000300841600006
公开日期	2013-02-05
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/60459]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	W. Zhang,T. C. Lu,N. A. Wei,et al. Assessment of light scattering by pores in Nd:YAG transparent ceramics[J]. Journal of Alloys and Compounds,2012,520:36-41.
APA	W. Zhang.,T. C. Lu.,N. A. Wei.,Y. Z. Wang.,B. Y. Ma.,...&J. Q. Qi.(2012).Assessment of light scattering by pores in Nd:YAG transparent ceramics.Journal of Alloys and Compounds,520,36-41.
MLA	W. Zhang,et al."Assessment of light scattering by pores in Nd:YAG transparent ceramics".Journal of Alloys and Compounds 520(2012):36-41.