1-4 at的制备与表征。固态反应烧结制备% Nd3+:Y3Al5O12激光陶瓷

International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI:10.1109/OMEE.2014.6912374

V. Baumer, A. Doroshenko, D. Kosyanov, S. Parkhomenko, A. Tolmachev, V. Voznyy, R. Yavetskiy

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引用次数: 0

摘要

研究了不同粒径颗粒制备Nd3+:YAG激光陶瓷反应烧结过程中相形成和致密化过程的特点。研究发现，亚微米粉末的使用可以显著降低YAG的形成温度，从粗粉的1700℃降低到细粉的1200 ~ 1500℃。此外，利用不同尺寸的钇和氧化铝颗粒，通过改变YAG相形成的动力学，提供了收缩过程优于膨胀过程的竞争优势。采用反应烧结法制备了Nd3+:YAG (1-4 at.%)激光陶瓷，在λ=1064 nm处，其在线光透射率约为81.5%。最后，我们在脉冲激光二极管泵浦下成功地激光化了Nd3+:YAG (4 at.%)陶瓷。

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Fabrication and characterization of 1–4 at.% Nd3+:Y3Al5O12 Laser Ceramics by solid-state reactive sintering

Peculiarities of phase formation and densification processes during reactive sintering of Nd3+:YAG laser ceramics prepared using particles with different size have been studied. It has been found that utilization of submicron powders can significantly reduce YAG formation temperature from 1700°C for coarse powder to 1200-1500°C for fine powders. Moreover, utilization of different-sized yttria and alumina particles provide a competitive advantage of shrinkage over expansion processes by changing the kinetics of YAG phase formation. Nd3+:YAG (1-4 at.%) laser ceramics with in-line optical transmission of about 81.5 % at λ=1064 nm has been produced by reactive sintering. Finally, we succeed in lasing of Nd3+:YAG (4 at.%) ceramics under pulsed laser diode pumping.

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International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)

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