| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Generation of Intense Sub-10 fs Pulses at 385 nm |
| Fan Xiao , Xiaohui Fan , Li Wang , Dongwen Zhang , Jianhua Wu , Xiaowei Wang*, and Zengxiu Zhao* |
| Department of Physics, National University of Defense Technology, Changsha 410073, China |
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| Cite this article: |
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Fan Xiao , Xiaohui Fan , Li Wang et al 2020 Chin. Phys. Lett. 37 114202 |
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Abstract We demonstrated the generation and characterization of 9.7 fs, 180 μJ pulses centered at 385 nm via the frequency doubling of few-cycle near-infrared pulses. Both moderate conversion efficiency (9.5%) and broad phase matching bandwidth (20 nm) were achieved by shaping the spectra of the fundamental pulses. The strong intensity dependence of second-order harmonic generation and well controlled material dispersion ensured the inexistence of satellite pulses, which was confirmed by the self-diffraction frequency resolved optical gating measurement.
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Received: 05 August 2020
Published: 08 November 2020
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| PACS: |
42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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42.65.Jx
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(Beam trapping, self-focusing and defocusing; self-phase modulation)
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| Fund: Supported by the National Key Research and Development Program of China (Grant No. 2019YFA0307703), the Major Research Plan of NSF of China (Grant No. 91850201), and the National Natural Science Foundation of China (Grant Nos. 11974426, 11974425, U1830206 and 11604386). |
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