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- S. Tanaka, M. Adachi, K. Hayashi, M. Katoh, S.I. Kimura, E. Nakamura, J. Yamazaki
UVSOR, Okazaki, Japan
- M. Hosaka, Y. Taira, Y. Takashima, N. Yamamoto
Nagoya University, Nagoya, Japan
- T. Takahashi
Kyoto University, Research Reactor Institute, Osaka, Japan
- H. Zen
Kyoto University, Institute for Advanced Energy, Kyoto, Japan
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At UVSOR, Coherent light source technologies, such as resonator free electron laser, coherent harmonic generation and coherent synchrotron radiation via laser modulation, have been developed parasitically by using an undulator and a beam-line normally used for photo-electron spectroscopy. Under Quantum Beam Technology Program of MEXT in Japan, we started constructing a new experiment station dedicated for the coherent light source developments. We created a new straight section by moving the injection line. Two identical undulators 1m long were constructed and installed there. A buncher magnet was constructed and installed between the undulators to form an optical klystron. Two beam-lines, BL1U and BL1B, were constructed, the former of which is for free electron laser and coherent harmonic generation and the later for the coherent synchrotron radiation in the terahertz range. The laser system was reinforced and new laser transport line was constructed. The generation of coherent synchrotron radiation by laser modulation was already tested. The construction of the optical cavity for the free electron laser will start in this year.
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