中长波Cr2+/Fe2+∶CdSe激光晶体生长及元件制备

人工晶体学报 ›› 2024, Vol. 53 ›› Issue (4): 551-553.

• 研究快报 • 下一篇

中长波Cr²⁺/Fe²⁺∶CdSe激光晶体生长及元件制备

黄昌保¹, 胡倩倩^1,2, 朱志成^1,2, 李亚^1,2, 毛长宇¹, 徐俊杰¹, 吴海信¹, 倪友保¹

1.中国科学院合肥物质科学研究院安徽光学精密机械研究所,安徽省光子器件与材料重点实验室,合肥 230031;
2.中国科学技术大学,合肥 230026

收稿日期:2023-12-25 出版日期:2024-04-15 发布日期:2024-04-19
通信作者: 吴海信,博士,研究员。E-mail:hxwu@aiofm.ac.cn
作者简介:黄昌保(1985—),男,安徽省人,博士,副研究员。 E-mail:cbhuang@aiofm.ac.cn
基金资助:
国家重点研发计划(2021YFB3601503)

Growth and Device Fabrication of Mid to Far-Infrared Cr²⁺/Fe²⁺∶CdSe Crystals

HUANG Changbao¹, HU Qianqian^1,2, ZHU Zhicheng^1,2, LI Ya^1,2, MAO Changyu¹, XU Junjie¹, WU Haixin¹, NI Youbao¹

1. Anhui Provincial Key Laboratory of Photonic Devices and Material, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China;
2. University of Science and Technology of China, Hefei 230026, China

Received:2023-12-25 Online:2024-04-15 Published:2024-04-19

摘要/Abstract

摘要： 本文采用自主研发的双温区真空石墨加热单晶炉,通过钼坩埚密封布里奇曼法成功生长出了Cr²⁺∶CdSe晶体和Fe²⁺∶CdSe晶体,晶体尺寸达ϕ51 mm×110 mm。Cr²⁺∶CdSe晶体和Fe²⁺∶CdSe晶体分别在1 400~2 400 nm和2 500~5 200 nm波段存在明显的吸收,同时,Cr²⁺∶CdSe晶体和Fe²⁺∶CdSe晶体在7~15 μm波段透过率均接近CdSe晶体透过极限(~70%),换算吸收系数约为0.005 cm^-1。采用钼坩埚密封布里奇曼法制备的Cr²⁺/Fe²⁺∶CdSe晶体具有过渡金属离子掺杂浓度可控、掺杂均匀、晶体品质高等优点,可同时作为中波红外激光晶体和长波红外非线性光学晶体材料。

关键词: 中远红外激光, 非线性光学晶体, 激光晶体, 过渡金属掺杂, CdSe晶体, 晶体生长, 布里奇曼法

Abstract: In this study, the Cr²⁺∶CdSe and Fe²⁺∶CdSe crystals were successfully grown by the Mo-crucible sealed Bridgman method using a vacuum single-crystal furnace with two zones developed by ourselves, and the crystal size reaches ϕ51 mm×110 mm. Cr²⁺∶CdSe and Fe²⁺∶CdSe crystals demonstrate obvious absorption in the bands of 1 400~2 400 nm and 2 500~5 200 nm, respectively. The transmittances of Cr²⁺/Fe²⁺doped CdSe crystals are close to the transmittance limit of CdSe crystal (~70%) in the 7~15 μm band, and the converted absorption coefficient is about 0.005 cm^-1. The Cr²⁺/Fe²⁺∶CdSe crystals grown by the Mo-crucible sealed Bridgman method have the advantages of the controllable doping concentration of transition metal ions, uniform doping and high crystal quality. The Cr²⁺/Fe²⁺∶CdSe crystals could be used as both mid-infrared laser crystal and far-infrared nonlinear optical crystal material.

Key words: mid-far infrared laser, nonlinear optic crystal, laser crystal, transition metal doping, CdSe crystal, crystal growth, Bridgman method

中图分类号:

O782

黄昌保, 胡倩倩, 朱志成, 李亚, 毛长宇, 徐俊杰, 吴海信, 倪友保. 中长波Cr²⁺/Fe²⁺∶CdSe激光晶体生长及元件制备[J]. 人工晶体学报, 2024, 53(4): 551-553.

HUANG Changbao, HU Qianqian, ZHU Zhicheng, LI Ya, MAO Changyu, XU Junjie, WU Haixin, NI Youbao. Growth and Device Fabrication of Mid to Far-Infrared Cr²⁺/Fe²⁺∶CdSe Crystals[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2024, 53(4): 551-553.

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中长波Cr²⁺/Fe²⁺∶CdSe激光晶体生长及元件制备

Growth and Device Fabrication of Mid to Far-Infrared Cr²⁺/Fe²⁺∶CdSe Crystals

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