期刊
OPTICA
卷 7, 期 9, 页码 1093-1096出版社
Optica Publishing Group
DOI: 10.1364/OPTICA.395265
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资金
- Air Force Office of Scientific Research [FA955015-1-0037, FA9550-16-1-0073]
- Army Research Office [W911NF-15-1-0360]
- Horizon 2020 Framework Programme [EU-H2020 654148]
Simple and compact laser systems facilitate the stable and reproducible generation of high-power few-cycle laser pulses. We demonstrate the amplification of 15 fs pulses at 2.1 mu m, employing a hybrid phase-matching scheme for optical parametric chirped pulse amplification. A combination of two BBO crystals with type-I and type-II phase-matching placed in close vicinity is utilized as a single amplification stage. This allows for a greatly simplified layout, achieving high conversion efficiency while avoiding the backconversion regime and the associated spatiotemporal distortions. The resulting system yields mJ-level pulses with integrated electro-optic sampling to directly measure the output waveform and study ultrafast light-matter interaction. (c) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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