14 May 2018 Using liquid water as broadband terahertz wave emitter
Author Affiliations +
When an intense ultrafast laser pulse is focused into a free-flowing water film, broadband terahertz (THz) radiation is emitted through the interaction between strong laser fields and liquid water molecules. Experimental results show that THz waves generated from liquid water have very different characteristics in comparison to those from other THz sources such as solids and gases. The mechanism for the THz wave generation process is currently attributed to the plasma formation in the bulk water. This demonstration may find potential applications in biological imaging and provide new tools in the field of nonlinear laser-liquid interactions.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jianming Dai, Qi Jin, Yiwen E., Kaia Williams, X.-C. Zhang, "Using liquid water as broadband terahertz wave emitter", Proc. SPIE 10656, Image Sensing Technologies: Materials, Devices, Systems, and Applications V, 106561L (14 May 2018); doi: 10.1117/12.2304554; https://doi.org/10.1117/12.2304554


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