期刊
OPTICS EXPRESS
卷 16, 期 17, 页码 12859-12865出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.16.012859
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We describe the generation and detection of broadband terahertz radiation using an all-fiber laser. Optical pulses from a mode-locked fiber laser oscillator are compressed using nonlinear and dispersion effects induced in optical fibers, and 17-fs optical pulses with 170-kW peak power are generated at the wavelength region around 1.5 mu m. By injecting these pulses into an organic crystal DAST (4-N, N-dimethylamino-4'-N'-methylstilbazolium tosylate), broadband terahertz field is radiated at 0.1-25 THz. The frequency region exceeding 20 THz is achieved with a fiber laser for the first time. (C) 2008 Optical Society of America.
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