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Narrow-spectral-span spectral beam combining with a nonparallel double-grating structure
Zhou, Quan; Zhou, Changhe; Yu, Na; Wei, Chunlong; Jia, Wei; Lu, Yancong; chazhou@mail.shcnc.ac.cn
2017
发表期刊Chin. Opt. Lett.
卷号15期号:9
摘要We propose a nonparallel double-grating structure in a spectral-beam combining technique, where two gratings are placed nonparallel satisfying the Littrow mount in the focal region of the convergent lens. The most attractive advantage of this approach is that it will compress the spectral span into half of its original spectrum, which means the number of combined elements can be doubled in the gain range of diode lasers. Experimental results demonstrate that the CW output power of the combined beam is 30.9 W with a spectral span of 7.0 nm, compared with its original spectrum span of 13.6 nm, and the spectral beam combining efficiency is 70.5%. In consideration that a single grating could have a high efficiency of > 97% in a bandwidth of over ten nanometers, the efficiency loss of the grating pair should be less than 6%, which is acceptable for most applications, so this method of using double gratings should be highly interesting for practical applications when a nearly doubled number of diode lasers could be combined into one single laser compared with the previous single-grating methods.
文章类型Article
部门归属信息光电
DOI10.3788/COL201715.091403
资助者Shanghai Science and Technology Committee [16DZ2290102, 15JC1403500]; Chinese Academy of Sciences [QYZDJ-SSW-JSC014]; National Natural Science Foundation of China [61405216] ; Shanghai Science and Technology Committee [16DZ2290102, 15JC1403500]; Chinese Academy of Sciences [QYZDJ-SSW-JSC014]; National Natural Science Foundation of China [61405216] ; Shanghai Science and Technology Committee [16DZ2290102, 15JC1403500]; Chinese Academy of Sciences [QYZDJ-SSW-JSC014]; National Natural Science Foundation of China [61405216] ; Shanghai Science and Technology Committee [16DZ2290102, 15JC1403500]; Chinese Academy of Sciences [QYZDJ-SSW-JSC014]; National Natural Science Foundation of China [61405216]
收录类别SCI
资助者Shanghai Science and Technology Committee [16DZ2290102, 15JC1403500]; Chinese Academy of Sciences [QYZDJ-SSW-JSC014]; National Natural Science Foundation of China [61405216] ; Shanghai Science and Technology Committee [16DZ2290102, 15JC1403500]; Chinese Academy of Sciences [QYZDJ-SSW-JSC014]; National Natural Science Foundation of China [61405216] ; Shanghai Science and Technology Committee [16DZ2290102, 15JC1403500]; Chinese Academy of Sciences [QYZDJ-SSW-JSC014]; National Natural Science Foundation of China [61405216] ; Shanghai Science and Technology Committee [16DZ2290102, 15JC1403500]; Chinese Academy of Sciences [QYZDJ-SSW-JSC014]; National Natural Science Foundation of China [61405216]
WOS记录号WOS:000410143200017
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28510
专题信息光学与光电技术实验室
通讯作者chazhou@mail.shcnc.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Zhou, Quan,Zhou, Changhe,Yu, Na,et al. Narrow-spectral-span spectral beam combining with a nonparallel double-grating structure[J]. Chin. Opt. Lett.,2017,15(9).
APA Zhou, Quan.,Zhou, Changhe.,Yu, Na.,Wei, Chunlong.,Jia, Wei.,...&chazhou@mail.shcnc.ac.cn.(2017).Narrow-spectral-span spectral beam combining with a nonparallel double-grating structure.Chin. Opt. Lett.,15(9).
MLA Zhou, Quan,et al."Narrow-spectral-span spectral beam combining with a nonparallel double-grating structure".Chin. Opt. Lett. 15.9(2017).
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