Abstract
Measurement of Coherent Undulator Radiation of Compact Terahertz Radiation Source at Kyoto University
Highlights
Over past few decades, the studies based on Terahertz (THz) frequency electromagnetic radiation or terahertz science gain great interests in various fields from fundamental researches to industrial applications
An accelerator-based THz radiation source is a kind of sources that can provide significantly high power, tunable frequency and narrow bandwidth
The radiation from the undulator has a high degree of phase coherence or called Coherent Undulator Radiation (CUR)
Summary
The studies based on Terahertz (THz) frequency electromagnetic radiation or terahertz science gain great interests in various fields from fundamental researches to industrial applications. An accelerator-based THz radiation source is a kind of sources that can provide significantly high power, tunable frequency and narrow bandwidth. There are many accelerator-based THz radiation sources operating worldwide, such as, at JLAB [2], DESY [3], SLAC [4] These systems are large-scale facilities that require high cost for the construction and the operation. A small-scale accelerator system has been proven that it has the potential to achieve high power and continuous tunability in the THz radiation regime. We have been developed accelerator-based compact THz radiation source at Institute of Advanced Energy, Kyoto University. The system is able to produce a high power tunable THz CUR by injecting a short electron bunch to a short planar undulator. The absolute values of the intensity were not calculated because the precise calibration of the measurement system is still underway
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