期刊
APPLIED PHYSICS LETTERS
卷 105, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4891678
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资金
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [014216-001]
- Air Force Office of Scientific Research (AFOSR)
We demonstrate high-field (>8 MV/cm) terahertz generation at a high-repetition-rate (1 kHz) via two-color laser filamentation. Here, we use a cryogenically cooled femtosecond laser amplifier capable of producing 30 fs, 15 mJ pulses at 1 kHz as a driver, along with a combination of a thin dual-wavelength half-waveplate and a Brewster-angled silicon window to enhance terahertz generation and transmission. We also introduce a cost-effective, uncooled microbolometer camera for real-time terahertz beam profiling with two different modes. (C) 2014 AIP Publishing LLC.
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