Research Center for Development of Far-Infrared Region (FIR FU)

Outline

“Far-infrared," on which Research Center for Development of Far-Infrared Region (FIR FU) is developing its research activities, is the wavelength region with wavelengths longer than those in the infrared region among electromagnetic (EM) waves with very wide wavelength regions. This region locates between radiofrequency (RF) waves and light and also corresponds to submillimeter waves the wavelength of which is shorter than 1 mm.
This region is also called as the terahertz region according to their frequencies. Terahertz waves are EM waves with frequencies higher than gigahertz waves that are used in communication such as cellular phones. EM waves in the region of far-infrared / terahertz waves have features both straight going as light and penetrating as RF waves. This wavelength region is a treasure house of technologies needed in the 21st century.

This wavelength region has been called as an unexplored region for a long time owing to lack of powerful sources. Oppositely, this means that this wavelength region will make a rapid progress from now on. FIR FU is carrying out novel research and development of new technologies applying with world class “Gyrotrons," which have been originally developed in FIR FU. Moreover, we have just started research on terahertz science with combination of a novel method of terahertz wave generation and a new spectroscopic technique. Now, FIR FU is a leading base of the research of the far-infrared / terahertz waves in Japan.

FIR FU has world wide research activities under collaboration with domestic and overseas institutions. This center is supposed to perform its part as a world class base of the research of the far-infrared / terahertz waves.

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