| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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High-Efficiency Generation of 0.12mJ, 8.6Fs Pulses at 400nm Based on Spectral Broadening in Solid Thin Plates |
| Yang-Yang Liu1,2, Kun Zhao1**, Peng He3, Hang-Dong Huang3, Hao Teng1, Zhi-Yi Wei1,2** |
1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190
2University of Chinese Academy of Sciences, Beijing 100049
3School of Physics and Optoelectronics Engineering, Xidian University, Xi'an 710071
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| Cite this article: |
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Yang-Yang Liu, Kun Zhao, Peng He et al 2017 Chin. Phys. Lett. 34 074204 |
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Abstract We demonstrate efficient generation of continuous spectrum centered at 400 nm from solid thin plates. By frequency doubling of 0.8 mJ, 30 fs Ti:sapphire laser pulses with a BBO crystal, 0.2 mJ, 33 fs laser pulses at 400 nm are generated. Focusing the 400-nm pulses into 7 thin fused silica plates, we obtain 0.15 mJ continuous spectrum covering 350–450 nm. After compressing by 3 pairs of chirped mirrors, 0.12 mJ, 8.6 fs pulses are achieved. To the best of our knowledge, this is the first time that sub-10-fs pulses centered at 400 nm are generated by solid thin plates, which shows that spectral broadening in solid-state materials works not only at 800 nm but also at different wavelengths.
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Received: 14 April 2017
Published: 23 June 2017
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| PACS: |
42.65.Jx
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(Beam trapping, self-focusing and defocusing; self-phase modulation)
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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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| Fund: Supported by the National Natural Science Foundation of China under Grant Nos 11434016, 11574384 and 11674386, and the National Key Basic Research Program of China under Grant Nos 2013CB922401 and 2013CB922402. |
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