TeO_(2)声光晶体及其声光器件的研究进展  

Research Progress of Acousto-Optic Crystals of TeO_(2) and Acousto-Optic Devices

作　　者：客洪亮 宗子厚 曹毅 李诵斌 高兴鹏 李阁平 KE Hongliang;ZONG Zihou;CAO Yi;LI Songbin;GAO Xingpeng;LI Geping(Jiangxi Copper Techbology Institute Co.,Ltd.Nanchang 330500,China;Institute of Metal Research,Chi-nese Academy of Sciences,Shenyang 110016,China)

机构地区：[1]江西铜业技术研究院有限公司,江西南昌330500 [2]中国科学院金属研究所,辽宁沈阳110016

出　　处：《铜业工程》2024年第1期178-188,共11页Copper Engineering

基　　金：江西铜业技术研究院科研项目(YJYZX202202)资助。

摘　　要：随着激光技术的快速发展,声光器件在激光领域的应用逐步延伸,特别是在信号处理、时频转换等领域具有重要且不可替代的应用场景。TeO_(2)声光晶体因其优异的声光特性,常被作为声光器件的核心元件。本文首先概述了声光衍射的基本概念及声光作用原理,包括拉曼-奈斯(Raman-Nath)衍射和布拉格(Bragg)衍射,其次介绍TeO_(2)晶体结构、晶体生长工艺、缺陷分析及性能测试,然后介绍声光器件结构组成、核心元件制备工艺及目前典型的商业化声光器件产品,最后展望了TeO_(2)声光晶体及其声光器件的应用前景。With the fast development of laser technology,the applications of TeO_(2) crystals and their devices are continuously expanded,such as signal processing,time-frequency conversion,spectrum analysis and other fields.TeO_(2) crystal has excellent acousto-optic properties and it is widely used in the production of various acousto-optic devices.In this paper,the basic concepts and principles of acousto-optic diffraction are firstly summarized,including Raman-Nath diffraction and Bragg diffraction.Secondly,the crystal structure,crystal preparation process,defect analysis and performance testing of TeO_(2) crystal are summarized.Then the structure of acousto-optic device,the preparation process of core component,and the typical commercial acousto-optic device products are introduced.In the end,the application prospect and prospect of TeO_(2) crystal and acousto-optic device are prospected.

关 键 词：激光技术 声光晶体 TeO_(2) 声光器件 晶体缺陷 

分 类 号：O78[理学—晶体学] O799