Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Dual-comb Spectroscopy for Laminar Premixed Flames with a Free-running Fiber Laser | |
K. Xu; L. Ma; J. Chen; X. Zhao; Q. Wang; R. Kan; Z. Zheng and W. Ren | |
2022 | |
发表期刊 | Combustion Science and Technology
![]() |
ISSN | 102202 |
卷号 | 194期号:12页码:2523-2538 |
摘要 | Dual-comb spectroscopy (DCS) has emerged as an important new technique for high-resolution molecular spectroscopy. However, this powerful tool has not been widely utilized in combustion diagnostics due to the difficulty of maintaining the mutual coherence between the two comb sources. In this work, we demonstrated a free-running fiber-laser-based DCS for in situ and non-intrusive H2O and C2H2 measurements in laminar premixed flames. This picometer-resolution dual-comb spectroscopic system was developed by using a single erbium-doped fiber laser at 1.5m along with a multipass optical configuration for the enhanced absorption measurement. Because of the mutual coherence of the two comb pulse trains emitted from the same laser cavity, DCS could be performed without using any phase-locking systems. Absorption spectra of CH4/O2/air flames over the spectral range 6503 cm16535 cm1 were measured at different reactant flow rates and heights above the burner, showing a good agreement with the spectral simulation of high-temperature H2O using the HITEMP database. A noise equivalent (1) absorption coefficient of 9.5105 cm1 was achieved using the current DCS system. Besides, the dual-comb measurement of a C2H4/air sooting flame was also performed at the equivalence ratio =2.94 and compared with the spectral simulation of high-temperature H2O and C2H2. All the spectral data were retrieved by 1500 averages of interferograms to increase the spectral signal-to-noise ratio (SNR), but a single interferogram could be acquired at 0.83ms using the current free-running dual-wavelength fiber laser. 2021 Taylor & Francis Group, LLC. |
DOI | 10.1080/00102202.2021.1879796 |
URL | 查看原文 |
收录类别 | ei |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/66577 |
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 | K. Xu,L. Ma,J. Chen,et al. Dual-comb Spectroscopy for Laminar Premixed Flames with a Free-running Fiber Laser[J]. Combustion Science and Technology,2022,194(12):2523-2538. |
APA | K. Xu.,L. Ma.,J. Chen.,X. Zhao.,Q. Wang.,...&Z. Zheng and W. Ren.(2022).Dual-comb Spectroscopy for Laminar Premixed Flames with a Free-running Fiber Laser.Combustion Science and Technology,194(12),2523-2538. |
MLA | K. Xu,et al."Dual-comb Spectroscopy for Laminar Premixed Flames with a Free-running Fiber Laser".Combustion Science and Technology 194.12(2022):2523-2538. |
条目包含的文件 | 下载所有文件 | |||||
文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
Dual-comb Spectrosco(6824KB) | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
个性服务 |
推荐该条目 |
保存到收藏夹 |
查看访问统计 |
导出为Endnote文件 |
谷歌学术 |
谷歌学术中相似的文章 |
[K. Xu]的文章 |
[L. Ma]的文章 |
[J. Chen]的文章 |
百度学术 |
百度学术中相似的文章 |
[K. Xu]的文章 |
[L. Ma]的文章 |
[J. Chen]的文章 |
必应学术 |
必应学术中相似的文章 |
[K. Xu]的文章 |
[L. Ma]的文章 |
[J. Chen]的文章 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论