期刊
OPTICS LETTERS
卷 41, 期 22, 页码 5365-5368出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.41.005365
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资金
- Alexander von Humboldt-Stiftung
- Army Research Office (ARO) [WN911NF-14-1-0383]
- Schweizerische Nationalfonds zur Forderung der Wissenschaftlichen Forschung (SNSF) [P2EZP2_165252]
- Air Force Office of Scientific Research (AFOSR) [FA9550-15-1-0037]
- Swiss National Science Foundation (SNF) [P2EZP2_165252] Funding Source: Swiss National Science Foundation (SNF)
Few-cycle laser pulses with wavelengths centered at 400 nm and 800 nm are simultaneously obtained through wavelength separation of ultrashort, spectrally broadened Vis-NIR laser pulses spanning 350-1100 nm wavelengths. The 400 nm and 800 nm pulses are separately compressed, yielding pulses with 4.4 fs and 3.8 fs duration, respectively. The pulse energy exceeds 5 mu J for the 400 nm pulses and 750 mu J for the 800 nm pulses. Intense 400 nm few-cycle pulses have a broad range of applications in nonlinear optical spectroscopy, which include the study of photochemical dynamics, semiconductors, and photovoltaic materials on few-femtosecond to attosecond time scales. The ultrashort 400 nm few-cycle pulses generated here not only extend the spectral range of the optical pulse for NIR-XUV attosecond pump-probe spectroscopy but also pave the way for two-color, three-pulse, multidimensional optical-XUV spectroscopy experiments. (C) 2016 Optical Society of America.
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