蓝宝石单晶光纤生长及性能研究

人工晶体学报 ›› 2023, Vol. 52 ›› Issue (7): 1335-1344.

• 其他激光与非线性光学晶体 • 上一篇下一篇

蓝宝石单晶光纤生长及性能研究

张泽宇¹, 吴宇飞¹, 王涛¹, 张健¹, 贾志泰^1,2, 陶绪堂¹

1.山东大学晶体材料国家重点实验室,晶体材料研究院,济南 250100;
2.山东省工业技术研究院,济南 250100

收稿日期:2023-02-17 出版日期:2023-07-15 发布日期:2023-08-16
通信作者: 王涛,博士。E-mail:t.wang@sdu.edu.cn
张健,博士,副教授。E-mail:jian.zhang@sdu.edu.cn
作者简介:张泽宇(1998—),男,安徽省人,硕士研究生。E-mail:zzy2276728884@163.com
基金资助:
国家自然科学基金(51502157,52002218,52202008);山东省重点研发计划(2018CXGC0410);山东大学青年科学基金(2018WLJH66);功能材料与器件学科创新引智基地2.0(BP2018013);中国博士后科学基金面上项目(2022M721912);山东省自然科学基金(ZR2022QE013)

Growth and Property of Sapphire Single Crystal Fibers

ZHANG Zeyu¹, WU Yufei¹, WANG Tao¹, ZHANG Jian¹, JIA Zhitai^1,2, TAO Xutang¹

1. Institute of Crystal Materials, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China;
2. Shandong Research Institute of Industrial Technology, Jinan 250100, China

Received:2023-02-17 Online:2023-07-15 Published:2023-08-16

摘要/Abstract

摘要： 蓝宝石单晶光纤结合了蓝宝石单晶熔点高、物理化学性能稳定的性能特点和光纤长径比大的结构优势,在高温传感、辐射探测等领域得到了广泛的研究。本文通过激光加热基座(LHPG)法成功制备出高质量蓝宝石单晶光纤,其最小直径为50 μm,具有极高的柔韧性。在此基础上系统研究了晶体取向、晶体直径、退火温度等因素对蓝宝石单晶光纤应力分布及力学性能的影响规律,所制备的蓝宝石单晶光纤抗拉强度超过3 000 MPa,展现出了优异的力学性能。

关键词: 单晶光纤, 蓝宝石光纤, 单晶生长, 激光加热基座法, 光纤应力, 抗拉强度

Abstract: Sapphire single crystal fibers possess structural advantage of high melting point, stable physical and chemical properties of sapphire and large length-to-diameter ratio of fiber, making them widely studied in the fields of high temperature sensing and radiation detection. In this paper, high quality sapphire single crystal fibers were successfully prepared by laser-heated pedestal growth (LHPG) method with a minimum diameter of 50 μm and extremely high flexibility. On this basis, the influences of crystal orientation, crystal diameter, annealing temperature on the stress distribution and mechanical properties were systematically studied. The tensile strength of the prepared sapphire fiber exceeds 3 000 MPa, showing its excellent mechanical properties.

Key words: single crystal fiber, sapphire crystal fiber, single crystal growth, laser-heated pedestal growth method, fiber stress, tensile strength

中图分类号:

TB34

张泽宇, 吴宇飞, 王涛, 张健, 贾志泰, 陶绪堂. 蓝宝石单晶光纤生长及性能研究[J]. 人工晶体学报, 2023, 52(7): 1335-1344.

ZHANG Zeyu, WU Yufei, WANG Tao, ZHANG Jian, JIA Zhitai, TAO Xutang. Growth and Property of Sapphire Single Crystal Fibers[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2023, 52(7): 1335-1344.

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蓝宝石单晶光纤生长及性能研究

Growth and Property of Sapphire Single Crystal Fibers

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