@misc{oai:repo.qst.go.jp:00071938, author = {Obina, T. and Adachi, M. and Adachi, S. and Akagi, T. and Akemoto, M. and Arakawa, D.A. and Araki, S. and Asaoka, S. and Egi, M. and Enami, K. and Endo, K. and Fukuda, S. and Furuya, T. and Haga, K. and Hara, K. and Harada, K. and Honda, T. and Honda, Y. and Honma, H. and Honma, T. and Hosoyama, K. and Hozumi, K. and Ishii, A. and Jin, X.J. and Kako, E. and Katagiri, H. and Kato, R. and Ka, H. and Kamiyawata, Y. and Kobayashi, Y. and Kojima, Y. and Kondo, Y. and Konomi, T. and Kosuge, A. and Kume, T. and Matsumoto, T. and Matsumura, H. and Matsushita, H. and Michizono, S. and Miura, T. and Miyajima, T. and Miyauchi, H. and Nagahashi, S. and Nakai, H. and Nakajima, H. and Nakamura, N. and Nakanishi, K. and Nakao, K. and Nigorikawa, K.N. and Nogami, T. and Noguchi, S. and Nozawa, S. and Ozaki, T. and Qiu, F. and Sagehashi, H. and Sakai, H. and Sakanaka, S. and Sasaki, S. and Satoh, K. and Seimiya, Y. and Shidara, T. and Shimada, M. and Shinoe, K. and Shioya, T. and Shishido, T. and Tadano, M. and Tahara, T. and Takahashi, T. and Takai, R. and Takaki, H. and Takenaka, T. and Tanaka, O. and Tanimoto, Y. and Terunuma, N. and Tobiyama, M. and Tsuchiya, K. and Uchiyama, T. and Ueda, A. and Umemori, K. and Urakawa, J. and Watanabe, K. and Yamamoto, M. and Yamamoto, N. and Yamamoto, Y. and Yano, Y. and Yoshida, M. and Hajima, R. and Mori, M. and Nagai, R. and Nishimori, N. and Sawamura, M. and Shizuma, T. and Kuriki, M. and 羽島 良一 and 森 道昭 and 永井 良治 and 西森 信行 and 沢村 勝 and 静間 俊行}, month = {May}, note = {The Compact Energy Recovery Linac (cERL) at KEK is a test accelerator in order to develop key components to realize remarkable ERL performance as a future light source. After the beam commissioning in December 2013, the legal current limit has been increased step-by-step like 1 uA, 10 uA, and 100 uA. Survey for the source of beam losses has been conducted in each step, and the study on beam dynamics and tuning has also been carried out. As a next step, 1 mA operation is scheduled in February 2016. In parallel to the increase in beam current, a laser Compton scattering (LCS) system which can provide high-flux X-ray to a beamline has been successfully commissioned. We report recent progress in various kinds of beam tuning: improvement of electron gun performance, high bunch charge operation, mitigation of beam losses, LCS optics tuning and bunch compression for THz radiation., The 7th International Particle Accelerator Conference (IPAC2016)}, title = {Recent Developments and Operational Status of the Compact ERL at KEK}, year = {2016} }