欢迎访问《人工晶体学报》官方网站,今天是 分享到:

人工晶体学报 ›› 2023, Vol. 52 ›› Issue (1): 8-16.

• 研究论文 • 上一篇    下一篇

微下拉法生长Tb3AlxGa5-xO12磁光晶体及其性能表征

刘文娇1, 张明记1, 辛显辉1, 郝元凯1, 付秀伟1, 张健1, 贾志泰1,2, 陶绪堂1   

  1. 1.山东大学晶体材料国家重点实验室,济南 250100;
    2.山东省工业技术研究院,济南 250100
  • 收稿日期:2022-11-09 出版日期:2023-01-15 发布日期:2023-02-15
  • 通信作者: 付秀伟,博士,教授。E-mail:fxw@sdu.edu.cn;张 健,博士,副教授。E-mail:jian.zhang@sdu.edu.cn
  • 作者简介:刘文娇(1995—),女,内蒙古自治区人,硕士研究生。E-mail:l13596351252@163.com
  • 基金资助:
    国家自然科学基金(51502157,52002218);山东省重点研发计划(2018CXGC0410);山东大学青年科学基金(2018WLJH66)

Preparation and Properties of Tb3AlxGa5-xO12 Magneto-Optical Crystal by Micro-Pulling-Down Method

LIU Wenjiao1, ZHANG Mingji1, XIN Xianhui1, HAO Yuankai1, FU Xiuwei1, ZHANG Jian1, JIA Zhitai1,2, TAO Xutang1   

  1. 1. State Key Laboratory of Crystal Materials, Institute of Crystal Materials, Shandong University, Jinan 250100, China;
    2. Shandong Research Institute of Industrial Technology, Jinan 250100, China
  • Received:2022-11-09 Online:2023-01-15 Published:2023-02-15

摘要: Tb3Ga5O12晶体是一种具有良好磁光性能的主流商用材料,但生长过程中存在严重的氧化镓挥发问题,导致晶体难以满足高功率应用的发展需求,而菲尔德常数较大的Tb3Al5O12晶体的不一致熔融特性使该晶体难以生长,因此亟需探索新型高质量磁光晶体以满足高功率应用需求。基于此,本文采用微下拉法在高纯氩气和二氧化碳混合气氛下生长了Tb3AlxGa5-xO12(TAGG)系列高掺铝磁光晶体。摇摆曲线测试结果表明TAGG磁光晶体拥有高结晶质量。透过光谱和磁光特性测试结果表明,与传统Tb3Ga5O12晶体相比,TAGG磁光晶体具有更高的透过率和更大的菲尔德常数,是一种非常有潜力的可应用于高功率激光系统的低成本磁光材料。

关键词: Tb3Ga5O12, TAGG, 磁光晶体, 晶体生长, 微下拉法, 铽基石榴石

Abstract: Tb3Ga5O12 crystal is a mainstream commercial material with good magneto-optical performance, but it suffers from serious gallium oxide volatilization during the growth process, which makes it difficult to meet developing requirements in high power applications. Tb3Al5O12 crystal, which shows a large Verdet constant, is difficult to grow due to its incongruent melting nature. Therefore, it is urgent to explore new high-quality magneto-optical crystals to meet the needs in high power applications. In this work, a series of Tb3AlxGa5-xO12 (TAGG) magneto-optical crystals with high aluminum content were grown by the micro-pulling-down method in a mixed atmosphere of high-purity nitrogen and carbon dioxide. The result of the rocking curve shows the as-grown TAGG magneto-optical crystal has high crystal quality. The transmittance spectrum and magneto-optical characteristics test results show that, the TAGG crystal shows a higher transparency and a larger Verdet constant compared with the traditional Tb3Ga5O12 crystal, which is a very promising low-cost magneto-optical material for high power laser systems.

Key words: Tb3Ga5O12, TAGG, magneto-optical crystal, crystal growth, micro-pulling-down method, Tb3+-based garnet

中图分类号: