ZrO2对Ho∶(Y0.7Sc0.3)2O3激光陶瓷致密化和光学性能的影响

人工晶体学报 ›› 2021, Vol. 50 ›› Issue (6): 1016-1022.

ZrO₂对Ho∶(Y_0.7Sc_0.3)₂O₃激光陶瓷致密化和光学性能的影响

白雨晨^1,2,3, 张俊宇², 赵洪阳¹, 赵瑾², 章健², 王士维²

1.武汉工程大学,等离子体化学与新材料湖北省重点实验室,武汉 430205;
2.中国科学院上海硅酸盐研究所,透明光功能无机材料重点实验室,上海 201899;
3.固体激光技术重点实验室,北京 100015

收稿日期:2021-03-08 出版日期:2021-06-15 发布日期:2021-07-08
通讯作者: 赵洪阳,博士,教授。E-mail:zhaohy@wit.edu.cn
作者简介:白雨晨(1996—),女,内蒙古自治区人,硕士研究生。E-mail:1206679166@qq.com
基金资助:
固体激光技术重点实验室开放基金(6142404190201)

Effect of ZrO₂ on the Densification and Optical Properties of Ho∶(Y_0.7Sc_0.3)₂O₃ Laser Ceramics

BAI Yuchen^1,2,3, ZHANG Junyu², ZHAO Hongyang¹, ZHAO Jin², ZHANG Jian², WANG Shiwei²

1. Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Wuhan Institute of Technology, Wuhan 430205, China;
2. Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China;
3. Science and Technology on Solid-State Laser Laboratory, Beijing 100015, China

Received:2021-03-08 Online:2021-06-15 Published:2021-07-08

摘要/Abstract

摘要： 2 μm 波段处于人眼安全波长,在医疗、加工、红外探测与对抗,以及大气环境监测等军、民两用领域有着重要潜在和实际应用。Ho³⁺掺杂倍半氧化物陶瓷具有宽的吸收和发射光谱、高热导率以及低声子能量等优点,是一类重要的 2 μm 波段激光材料。通过材料固溶原理,可以实现光谱更加宽化,这使其有可能成为一类性能优异的中红外固体激光材料。本文以商业Y₂O₃、Sc₂O₃以及Ho₂O₃粉体为原料,添加少量ZrO₂(原子比为0~1.0%)作为烧结助剂,采用真空预烧,结合热等静压烧结的工艺,成功制备出高透明的0.5%Ho∶(Y_0.7Sc_0.3)₂O₃陶瓷。研究了ZrO₂掺杂浓度(0~1.0％)对Ho∶(Y_0.7Sc_0.3)₂O₃激光陶瓷致密化过程和光学性能的影响。通过添加ZrO₂有效抑制了高温下Ho∶(Y_0.7Sc_0.3)₂O₃陶瓷晶粒的生长,掺杂1.0％ZrO₂的Ho∶(Y_0.7Sc_0.3)₂O₃陶瓷经1 690 ℃下真空预烧结4 h和1 600 ℃/190 MPa热等静压烧结3 h后,其透过率在1 100 nm处达到79.1％(厚度为4.4 mm),接近理论透过率。

关键词: Ho∶(Y_0.7Sc_0.3)₂O₃, 激光陶瓷, 光学性能, ZrO₂, 热等静压

Abstract: 2 μm laser is one of the most important eye-safe lasers, and has important potential and practical applications in military and civilian fields such as medical treatment, materials processing, infrared detection/IR-counter measurement, and atmospheric environment monitoring. Due to their broad absorption and emission band in 2 μm range, high thermal conductivity, and low phonon energy, Ho³⁺ doped sesquioxide ceramic materials are important type of 2 μm laser materials. In addition, through forming the solid solution, much wider absorption and emission band can even be achieved, which give them the possibility to be the excellent mid-infrared solid-state laser materials. In this work, vacuum pressureless sintering combined with hot isostatic pressing sintering treatment was applied to prepare the 0.5%Ho∶(Y_0.7Sc_0.3)₂O₃ transparent ceramics by using commercial available Y₂O₃, Sc₂O₃ and Ho₂O₃ powders as the starting materials. By adding ZrO₂ as the sintering aid, grain growth of the Ho∶(Y_0.7Sc_0.3)₂O₃ ceramic at high sintering temperature was effectively inhibited. The effect of ZrO₂ doping ranged from 0~1.0% on the densification process, its further effect on the optical properties of Ho∶(Y_0.7Sc_0.3)₂O₃ laser ceramics was studied thoroughly. After pre-sintered at 1 690 ℃ for 4 h in vacuum and then hot isostatic sintered at 1 600 ℃/190 MPa for 3 h, the transmittance of 1.0%ZrO₂ doped Ho∶(Y_0.7Sc_0.3)₂O₃ ceramic reaches 79.1% at 1 100 nm (4.4 mm in thickness), which is close to its theoretic value.

Key words: Ho∶(Y_0.7Sc_0.3)₂O₃, laser ceramics, optical property, ZrO₂, hot isostatic pressing

中图分类号:

TQ174.1

白雨晨, 张俊宇, 赵洪阳, 赵瑾, 章健, 王士维. ZrO₂对Ho∶(Y_0.7Sc_0.3)₂O₃激光陶瓷致密化和光学性能的影响[J]. 人工晶体学报, 2021, 50(6): 1016-1022.

BAI Yuchen, ZHANG Junyu, ZHAO Hongyang, ZHAO Jin, ZHANG Jian, WANG Shiwei. Effect of ZrO₂ on the Densification and Optical Properties of Ho∶(Y_0.7Sc_0.3)₂O₃ Laser Ceramics[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2021, 50(6): 1016-1022.

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ZrO₂对Ho∶(Y_0.7Sc_0.3)₂O₃激光陶瓷致密化和光学性能的影响

Effect of ZrO₂ on the Densification and Optical Properties of Ho∶(Y_0.7Sc_0.3)₂O₃ Laser Ceramics

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