Imaging of terahertz fields and responses
Author(s)Sivarajah, Prasahnt; Teo, Stephanie M.; Werley, Christopher A.; Nelson, Keith Adam; Ofori-Okai, Benjamin Kwasi
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In recent years it has become possible to generate terahertz-frequency (THz) fields that are strong enough to induce nonlinear responses in ordinary molecules and materials. Part of the development of THz technology and nonlinear spectroscopy has relied on optical imaging of THz field profiles and their time and position-dependent evolution. A THz "polaritonics" platform enables extensive control over THz fields that are generated; integration of functional elements such as bandgap structures and metamaterial devices; optical imaging of the THz near and far fields with subcycle temporal and subwavelength spatial resolution; and exploitation of the results for nonlinear spectroscopy.
DepartmentMassachusetts Institute of Technology. Department of Chemistry
Proceedings of SPIE--the International Society for Optical Engineering
Ofori-Okai, Benjamin K., Prasahnt Sivarajah, Stephanie M. Teo, Christopher A. Werley, and Keith A. Nelson. “Imaging of Terahertz Fields and Responses.” Edited by Zhiwen Liu. Ultrafast Nonlinear Imaging and Spectroscopy II (September 5, 2014). © 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Final published version