放射光を利用したテラヘルツ光源

概要

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Synchrotron radiation, electromagnetic wave emitted by relativistic electrons traveling in a strong magnetic field, is intense, highly collimated, highly polarized, pulsed and extremely broadband. Nowadays, synchrotron radiation is widely used various research fields. Although many of its applications are in the X-ray range, it is also used in the infrared and terahertz range. In these years, coherent synchrotron radiation has been studied at several synchrotron radiation sources, which is more intense than the normal one by many orders of magnitudes. New light source technologies based on coherent synchrotron radiation are being developed, which will be powerful tools for terahertz applications.