激光加热基座法制备Er∶YAP单晶光纤及性能表征

人工晶体学报 ›› 2023, Vol. 52 ›› Issue (7): 1308-1316.

所属专题：激光与非线性光学晶体

• 激光与非线性光学晶体高通量制备与表征 • 上一篇下一篇

激光加热基座法制备Er∶YAP单晶光纤及性能表征

武旭^1,2, 张振¹, 张中晗¹, 武安华^1,2, 苏良碧^1,2

1.中国科学院上海硅酸盐研究所,上海 201899;
2.中国科学院大学材料科学与光电技术学院,北京 100049

收稿日期:2023-06-26 出版日期:2023-07-15 发布日期:2023-08-16
通信作者: 苏良碧,博士,研究员。E-mail:suliangbi@mail.sic.ac.cn
作者简介:武旭(1997—),男,安徽省人,硕士研究生。E-mail:wuxu211@mails.ucas.edu.cn
基金资助:
国家重点研发计划(2021YFB3601504);国家自然科学基金(61925508,62005302);中科院稳定支持基础研究领域青年团队计划(YSBR-024);上海市科学技术委员会项目(21520711300);中国科学院“一带一路”国际合作项目(121631KYSB20200039)

Laser-Heated Pedestal Growth Method and Characterization of Er∶YAP Single Crystal Fibers

WU Xu^1,2, ZHANG Zhen¹, ZHANG Zhonghan¹, WU Anhua^1,2, SU Liangbi^1,2

1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China;
2. College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China

Received:2023-06-26 Online:2023-07-15 Published:2023-08-16

摘要/Abstract

摘要： 本文采用了激光加热基座(LHPG)法逆向生长技术,实现了多组分Er∶YAP晶体的快速制备。利用LHPG法开展了Er∶YAP单晶光纤的生长研究,通过解决单晶光纤生长过程中存在的色心、开裂、直径起伏等关键问题,制备出直径0.8 mm、长度65 mm的高品质Er∶YAP单晶光纤。对不同掺杂浓度Er∶YAP晶体的光谱性能进行表征分析,结果表明掺杂浓度5%(原子数分数)时,Er³⁺间存在较强的能量传递过程,有利于实现高效率中红外激光输出。

关键词: 中红外激光, Er∶YAP晶体, 激光加热基座法, 单晶光纤, 能量传递

Abstract: In this work, rapid sythesis strategy of Er∶YAP crystals with different doping concentrations were developed using a reverse laser-heated pedestal grwoth (LHPG) method. High quality Er∶YAP single crystal fibers of ø0.8 mm×65 mm were obtained using LHPG process by optimizing growth parameters to inhibit defects such as s color centers, cracking, and diameter fluctuations during the growth process. Spectroscopic characterization of Er∶YAP crystals indicates that there is a strong energy transfer process between Er³⁺ when the doping concentration reaches 5% (atomic fraction), which is favorable for generating high-efficient mid-infrared lasers.

Key words: mid-infrared laser, Er∶YAP crystal, laser-heated pedestal growth method, single crystal fiber, energy transfer

中图分类号:

O734

武旭, 张振, 张中晗, 武安华, 苏良碧. 激光加热基座法制备Er∶YAP单晶光纤及性能表征[J]. 人工晶体学报, 2023, 52(7): 1308-1316.

WU Xu, ZHANG Zhen, ZHANG Zhonghan, WU Anhua, SU Liangbi. Laser-Heated Pedestal Growth Method and Characterization of Er∶YAP Single Crystal Fibers[J]. Journal of Synthetic Crystals, 2023, 52(7): 1308-1316.

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激光加热基座法制备Er∶YAP单晶光纤及性能表征

Laser-Heated Pedestal Growth Method and Characterization of Er∶YAP Single Crystal Fibers

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