Grating-tuned dual-wavelength Nile red dye laser

Fang Yuwei; Cheng Junjie; Wang Guan; Dong Tianhao; Wang Shengbo; Gu Chun; Zou Gang; Ming Hai; Xu Lixin

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Grating-tuned dual-wavelength Nile red dye laser

机译：光栅调谐双波长尼罗红染料激光器

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Dual-wavelength operation of grating-tuned dye laser systems was demonstrated in this paper. We used the second harmonic generation of a Q-switched Nd: YAG laser to pump the Nile red solvent (dissolved in ethanol) in the Littrow configuration and the Littman-Metcalf configuration. By rotating the grating 3.6 degrees in the Littrow configuration and the tuning mirror 3.9 degrees in the Littman-Metcalf configuration, we obtained a 72 and 46 nm tuning-range dye laser output, respectively. Meanwhile by parallelly moving the grating in the Littrow configuration and the tuning mirror in the Littman-Metcalf configuration, we achieved the separation of dual wavelength from 0.7 to 5 nm in the former and 1.5 to 4 nm in the latter, which were in the terahertz range and could find applications in the terahertz source after using difference frequency technology. Finally, after considering the laser trajectories in the two configurations, we theoretically analyzed the reasons for overall tuning and separation tuning of dual wavelength. (c) 2019 Optical Society of America

机译：本文证明了光栅调谐染料激光系统的双波长操作。我们使用了Q开关Nd：YAG激光器的二次谐波产生，以在Littrow配置和Littman-Metcalf配置中泵送尼罗红溶剂（溶解在乙醇中）。通过在Littrow配置中旋转光栅3.6度，在Littman-Metcalf配置中的调谐镜3.9度，我们分别获得了72和46nm调谐范围染料激光输出。同时通过在Littmal-Metcalf配置中并行移动光栅和调谐镜，我们在前者中实现了双波长从0.7〜5 nm的分离，并在后者中的1.5到4纳米，这在太赫兹范围并在使用差异频率技术后可以在太赫兹源中找到应用。最后，在考虑两种配置中的激光轨迹之后，理论上，理论上分析了双波长的整体调谐和分离调谐的原因。（c）2019年光学学会

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来源
《Applied optics》 |2019年第16期|共7页
作者
Fang Yuwei; Cheng Junjie; Wang Guan; Dong Tianhao; Wang Shengbo; Gu Chun; Zou Gang; Ming Hai; Xu Lixin;
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作者单位

Univ Sci &

Technol China Dept Opt &

Opt Engn Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China iChEM Dept Polymer Sci &

Engn CAS Key Lab Soft Matter Chem Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Opt &

Opt Engn Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Opt &

Opt Engn Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Opt &

Opt Engn Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Opt &

Opt Engn Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China iChEM Dept Polymer Sci &

Engn CAS Key Lab Soft Matter Chem Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Opt &

Opt Engn Hefei 230026 Anhui Peoples R China;

Univ Sci &

Technol China Dept Opt &

Opt Engn Hefei 230026 Anhui Peoples R China;

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Grating-tuned dual-wavelength Nile red dye laser

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