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Generation of strong terahertz fields exceeding 8 MV/cm at 1 kHz and real-time beam profiling.
- Source :
-
Applied Physics Letters . 7/28/2014, Vol. 105 Issue 4, p1-4. 4p. 1 Color Photograph, 2 Diagrams, 2 Graphs. - Publication Year :
- 2014
-
Abstract
- 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. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 105
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 97347348
- Full Text :
- https://doi.org/10.1063/1.4891678