蓝光二极管抽运Pr∶YLF腔内倍频连续深紫外激光器

牛娜; 窦微; 浦双双; 刘天虹; 魏程亮; 宋海龙; 郑权

doi:10.37188/CO.2021-0077

蓝光二极管抽运Pr∶YLF腔内倍频连续深紫外激光器

doi: 10.37188/CO.2021-0077

牛娜^1,,
窦微¹,
浦双双¹,
刘天虹^{1, 2},
魏程亮¹,
宋海龙¹,
郑权^{1, 2, ,}

1.
长春新产业光电技术有限公司，吉林长春 130012
2.
中国科学院长春光学精密机械与物理研究所，吉林长春 130033

基金项目: 吉林省科技攻关计划 (No. 20170203013GX)

详细信息

作者简介:
牛　娜（1986—），女，吉林四平人，激光工程师，2012年于长春理工大学获得光学硕士学位，现任职于长春新产业光电技术有限公司，主要从事固体激光器技术与应用方面的研究。Email：niuna@cnilaser.com

郑　权(1973—)，男，黑龙江甘南人，2002年于中国科学院长春光学精密机械与物理研究所获得博士学位，主要从事高性能及大功率固体激光器方向的研究。Email：zhengquan@cnilaser.com

中图分类号: TN248.1
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出版历程
- 收稿日期: 2021-04-13
- 修回日期: 2021-05-11
- 网络出版日期: 2021-05-28
- 刊出日期: 2021-11-19

Continuous deep ultraviolet laser by intracavity frequency doubling of blue laser diode pumped Pr∶YLF

1.
Changchun New Industries Optoelectronics Technology Co., Ltd, Changchun 130012, China
2.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science, Changchun 130033, China

Funds: Supported by Science and Technology Program of Jilin Province (No. 20170203013GX)

More Information

Corresponding author: zhengquan@cnilaser.com

摘要

摘要: 为了探究波长200~280 nm内连续深紫外激光输出，本文采用输出功率为1.4 W、中心波长为444 nm和输出功率为1.5 W、中心波长为469 nm的两个蓝光激光二极管（LD）合光作为泵浦源，端面泵浦长度为5 mm的国产Pr∶YLF晶体，再利用长度为7 mm的偏硼酸钡（BBO）作为倍频晶体进行腔内倍频，通过优化腔镜膜系设计和加入全波片配合波长选择，实现了Pr∶YLF晶体的弱谱线倍频输出，最终成功获得了最大输出功率为8.37 mW、中心波长为268.89 nm的连续深紫外激光。
- 激光器 /
- 连续深紫外激光器 /
- 掺镨氟化钇锂晶体 /
- 蓝光激光二极管
Abstract: In order to explore the continuous deep ultraviolet laser output within the wavelength of 200~280 nm, a 5 mm long domestic Pr∶YLF crystal was pumped by the combine of 1.4 W blue laser diode at 444 nm and 1.5 W blue laser diode at 469 nm, and the BBO with a length of 7 mm was used as the frequency doubling crystal. By optimizing the resonator mirror coating and inserting a full wave plate for wavelength competition, it makes the output of weak spectra of Pr∶YLF possible. At last, the continuous deep ultraviolet laser with a maximum power of 8.37 mW and center wavelength of 268.89 nm was achieved.
- laser /
- continuous deep UV laser /
- Pr∶YLF crystal /
- blue laser diode

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图 1 蓝光二极管泵浦的Pr∶YLF激光器装置示意图

Figure 1. Schematic diagram of blue laser diode pumped Pr∶YLF laser

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图 2 Pr∶YLF晶体的荧光谱线

Figure 2. Emission spectra of Pr∶YLF crystal

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图 3 基频光光谱测试图

Figure 3. Spectrogram of fundamental laser

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图 4 连续紫外光光谱测试图

Figure 4. Spectrogram of continuous ultraviolet laser

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