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Researchers develop method to analyze terahertz rays

Within visible light waves and radio waves used in communication devices such as cell phones are electromagnetic waves with frequencies of approximately 1012 hertz called terahertz rays. Terahertz rays, which project in a straight line similar to light rays but retain properties similar to that of radio waves have received much attention in recent years.  A collaborative research group of Waseda University, Utsunomiya University, Saitama Medical University, NPO 3D Associates, and The University of Arizona have developed a method to analyze terahertz rays through snapshots. This method is significant in controlling the polarization of terahertz rays. This research is expected to be widely implemented in the fields of physics, information and communications, biomedical engineering, astronomy, and security technology.

This research was featured in the online English science magazine, “Scientific Reports” on March 24.

 Scientific Reports Article

Determination of the polarization states of an arbitrary polarized terahertz beam: Vectorial vortex analysis

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