High-power narrow-linewidth 780 nm diode laser based on external cavity feedback technology of volume Bragg grating
文献类型：期刊论文
| 作者 | J. L. Han; J. Zhang; X. N. Shan; Y. W. Zhang; H. Y. Peng; L. Qin and L. J. Wang |
| 刊名 | Optik
 |
| 出版日期 | 2022 |
| 卷号 | 264页码:12 |
| ISSN号 | 0030-4026 |
| DOI | 10.1016/j.ijleo.2022.169455 |
| 英文摘要 | A diode-pumped alkali metal vapor laser (DPAL) combines the advantages of a solid laser and a gas laser. DPAL is useful in the industrial, medical, aerospace and military fields and can yield high output power while maintaining excellent beam quality. However, applications in many fields are limited due to the narrow absorption spectrum of the alkali metal vapor laser. In this study, a novel linewidth narrowing structure of the high-power diode laser based on volume Bragg gratings (VBGs) is proposed to match the absorption spectrum of the alkali metal vapor laser. With the combination of fast-axis collimating lens, beam transformation systems, slow-axis collimating lens, VBGs and metal ceramic heaters, the divergence angles of both fast and slow axis are compressed within 10 mrad. A high-power narrow linewidth diode laser source with a central wavelength of 780.044 nm, a spectral width of 0.138 nm, and an output power of 1090 W is achieved at an operating current of 50 A. Experimental results show that the effect of external cavity feedback based on VBG is improved and the multi-channel spectral linewidth is narrowed effectively by such a structure. The diode laser source based on this structure can be applied for pumping the rubidium alkali metal vapor laser. |
| URL标识 | 查看原文 |
| 语种 | 英语 |
| 源URL | [http://ir.ciomp.ac.cn/handle/181722/66720]  |
| 专题 | 中国科学院长春光学精密机械与物理研究所 |
| 推荐引用方式 GB/T 7714 | J. L. Han,J. Zhang,X. N. Shan,et al. High-power narrow-linewidth 780 nm diode laser based on external cavity feedback technology of volume Bragg grating[J]. Optik,2022,264:12. |
| APA | J. L. Han,J. Zhang,X. N. Shan,Y. W. Zhang,H. Y. Peng,&L. Qin and L. J. Wang.(2022).High-power narrow-linewidth 780 nm diode laser based on external cavity feedback technology of volume Bragg grating.Optik,264,12. |
| MLA | J. L. Han,et al."High-power narrow-linewidth 780 nm diode laser based on external cavity feedback technology of volume Bragg grating".Optik 264(2022):12. |
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