• Corpus ID: 118966479

Investigation of liquid lines as terahertz emitters under ultrashort optical excitation

@article{Jin2019InvestigationOL,
  title={Investigation of liquid lines as terahertz emitters under ultrashort optical excitation},
  author={Qi Jin and E. Yiwen and Shenghan Gao and Xicheng Zhang},
  journal={arXiv: Optics},
  year={2019}
}
Recently, there has been growing interest in terahertz (THz) wave generation from liquids under optical excitation. Here, we propose and demonstrate the use of liquid lines in place of liquid films as THz emitters to boost THz signals. The geometry of the emitter eliminates the total internal reflection at the flat liquid-air interface. In addition, we observe that the polarity of the liquid has a significant influence on the THz wave generation. Alpha-pinene, a nonpolar liquid, offers much… 

Figures from this paper

Giant Enhancement of THz Wave Emission under Double-Pulse Excitation of Thin Water Flow

Simultaneous measurements of THz wave and hard X-ray emission from thin and flat water flow when irradiated by double femtosecond laser pulses (800 nm, 35 fs/transform-limited, 0.5 kHz, delay times

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THz fields generated from four liquid lines. The liquids are a-pinene, p-xylene, ethanol, and water