Intense supercontinuum generation in the near-ultraviolet range from a 400-nm femtosecond laser filament array in fused silica
Intense supercontinuum generation in the near-ultraviolet range from a 400-nm femtosecond laser filament array in fused silica
复制标题
熔融石英中的 400 nm 飞秒激光灯丝阵列在近紫外范围内产生强烈的超连续谱
DOI：
10.1088/1674-1056/26/7/074213
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发表时间：
2017-06
影响因子：
1.7
通讯作者：
Jingquan Lin
中科院分区：
文献类型：
--
作者：
Dongwei Li;Lanzhi Zhang;Saba Zafar;He Song;Zuoqiang Hao;Tingting Xi;Xun Gao;Jingquan Lin
An intense supercontinuum (SC) in the near-ultraviolet range is generated from filamentation by focusing a 400-nm laser into fused silica with a microlens array (MLA). The spectrum of the SC is shown to be sensitive to the distance between the MLA and fused silica. In our optimal conditions, the near-ultraviolet SC can cover a range of 350–600 nm, where a bandwidth of approximately 55 nm above the 1μ J/nm spectral energy density and 20 nm bandwidth with tens of μJ/nm are achieved. In addition, the energy conversion efficiency of the 400 nm laser for SC generation is further analyzed. A maximum conversion efficiency of 66% is obtained when the entrance face of fused silica is set around the focus of the MLA.
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影响因子：
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通讯作者：
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影响因子：
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通讯作者：
Mysyrowicz, A