Profile of Takahiro Watanabe

Name Takahiro Watanabe
E-mail address
Affiliation 1 JASRI
Affiliation 2 Accelerator Division
Affiliation 3 Accelerator Group II
Phone number +81 791-58-0803 (ex.3352)
Phone number (extension)
Fax number
Job title Researcher
Reseach career Doctor degree in Engineering (Univ. of Tokyo)
Beam physics especially;
- Electron beam diagnostics
- Free electron laser
Area of expertise - Linear accelerator (1996-present)
- Ti:Sa Laser (1999-2003)
- Storage ring (2007-present)
Research topics and activities - Beam diagnostics via coherent radiation interferometry
- Beam diagnostics via incoherent radiation interferometry and streak camemra
- Free electron laser such as seeded FEL
etc.
Publications - T. Watanabe, X.J. Wang, J.B. Murphy, J. Rose, Y. Shen, T. Tsang, L. Giannessi, P. Musumeci, and S. Reiche, “Experimental Characterization of Superradiance in a Single-Pass High-Gain Laser-Seeded Free-Electron Laser Amplifier”, Physical Review Letters, 98, 034802 (2007).
- Y. Shen, T. Watanabe, D.A. Arena, C.-C. Kao, J.B. Murphy, T.Y. Tsang, X.J. Wang, and G.L. Carr, “Nonlinear Cross-Phase Modulation with Intense Single-Cycle Terahertz Pulses”, Physical Review Letters 99, 043901 (2007).
- X.J. Wang, T. Watanabe, Y. Shen, R. Li, J.B. Murphy, T. Tsang, H.P. Freund, “Efficiency Enhancement Using Electron Energy Detuning in a Laser Seeded Free Electron Laser Amplifier”, Applied Physics Letters 91, 181115 (2007).
- J. Wu, J.B. Murphy, P.J. Emma, X.J. Wang, T. Watanabe, X. Zhong, “Interplay of the chirps and chirped pulse compression in a high-gain seeded free-electron laser”, Journal of the Optics Society of America B, 24 (2007).
- R.B. Fiorito, A.G. Shkvarunets, T. Watanabe, V. Yakimenko, and D. Snyder, “Interference of diffraction and transition radiation and its application as a beam divergence diagnostic”, Physical Review Special Topics –Accelerators and Beams- 9, 052802 (2006).
- F. Sakamoto, H. Iijima, K. Dobashi, T. Imai, T. Ueda, T. Watanabe, and M. Uesaka, “Emittance and Energy Measurements of Low-Energy Electron Beam Using Optical Transition Radiation Techniques”, Japanese Journal of Applied Physics, 44 1485 (2005).
- K. Matsukado, T. Esirkepov, K. Kinoshita, H. Daido, T. Utsumi, Z. Li, A. Fukumi, Y. Hayashi, S. Orimo, M. Nishiuchi, S.V. Bulanov, T. Tajima, A. Noda, Y. Iwashita, T. Shirai, T. Takeuchi, S. Nakamura, A. Yamazaki, M. Ikegami, T. Mihara, A. Morita, M. Uesaka, K. Yoshii, T. Watanabe, T. Hosokai, A. Zhidkov, A. Ogata, Y. Wada and T. Kubota, “Energetic Protons from a Few-Micron Metallic Foil Evaporated by an Intense Laser Pulse”, Physical Review Letters, 91 (2003) 215001.
- T. Hosokai, K. Kinoshita, A. Zhidkov, K. Nakamura, T. Watanabe, T. Ueda, H. Kotaki, M. Kando, K. Nakajima and M. Uesaka, “Effect of a laser prepulse on a narrow-cone ejection of MeV electrons from a gas jet irradiated by an ultrashort laser pulse”, Physical Review E 67 (2003) 036407.
- T. Watanabe, J. Sugahara, K. Yoshii, T. Ueda, M. Uesaka, Y. Kondo, T. Yoshimatsu, Y. Shibata, K. Ishi, S. Sasaki and Y. Sugiyama, "Overall comparison of subpicosecond electron beam diagnostics by the polychromator, the interferometer, and the femtosecond streak camera", Nuclear Instruments and Methods in Physics Research A, 480 (2002) 63-75.
- T. Kobayashi, M. Uesaka, Y. Katsumura, Y. Muroya, T. Watanabe, T. Ueda, K. Yoshii, K. Nakajima, Z. Zhu and M. Kando, “High-charge S-band photocathode RF-gun and linac system for radiation research”, Journal of Nuclear Science and Technology, 39 (2002) 6-14.
- T. Watanabe, J. Sugahara, K. Yoshii, T. Ueda, M. Uesaka, T. Yoshimatsu, Y. Kondo, Y. Sugiyama, S. Sasaki, K. Ishi and Y. Shibata, “Diagnostics of ultrashort electron bunch by coherent transition/diffraction radiation”, International Journal of Applied Electromagnetics and Mechanics 14, 191 (2001/2002).
- M. Uesaka T. Watanabe, T. Kobayashi, T. Ueda, K. Yoshii, G. Wu, X. Li, Y. Muroya, J. Sugahara, K. Kinishota, N. Hafz, H. Okuda, T. Nishihara, Y. Terada, K. Nakajima and Y. Katsumura, “Hundreds- and tens-femtosecond time-resolved pump-and-probe analysis system”, Radiation Physics and Chemistry 60 (2001) 303-306.
- Y. Moroya, T. Watanabe, G. Wu, X. Li, T. Kobayashi, J. Sugahara, T. Ueda, K. Yoshii, M. Uesaka and Y. Katsumura, “Design and development of a sub-picosecond pulse radiolysis system”, Radiation Physics and Chemistry 60 (2001) 307-312.
- M. Uesaka, T. Watanabe, K. Kinoshita, J. Sugahara, H. Harano, T. Ueda, K. Yoshii, K. Nakajima, F. Sakai, H. Kotaki, H. Dewa, M. Kando and S. Kondo, “Generation, diagnosis and application of femtosecond electron single bunch”, Journal of Atomic Energy Society, Japan, 42 (2000) 310-324.
- M. Uesaka, K. Kinoshita, T. Watanabe, J. Sugahara, T. Ueda, K. Yoshii, T. Kobayashi, N. Hafz, K. Nakajima, F. Sakai, M. Kando, H. Dewa, H. Kotaki and S. Kondo, “Experimental verification of laser photocathode RF gun as an injector for a laser plasma accelerator”, IEEE Transactions on Plasma Science, 28 (2000) 1133-1142.
- M. Uesaka, H. Kotaki, K. Nakajima, H. Harano, K. Kinoshita, T. Watanabe, T. Ueda, K. Yoshii, M. Kando, H. Dewa, S. Kondo and F. Sakai, “Generation and application of femtosecond X-ray pulse”, Nuclear Instruments and Methods in Physics Research A 455 (2000) 90-98.
- H. Kotaki, M. Kando, H. Dewa, S. Kondo, T. Watanabe, T. Ueda, K. Kinoshita, K. Yoshii, M. Uesaka and K. Nakajima, “Compact X-ray sources by intense laser interactions with beams and plasmas”, Nuclear Instruments and Methods in Physics Research A 455 (2000) 166-171.
- T. Watanabe, M. Uesaka, J. Sugahara, T. Ueda, K. Yoshii, Y. Shibata, F. Sakai, S. Kondo, M. Kando, H. Kotaki and K. Nakajima, "Subpicosecond electron single-beam diagnositcs by a coherent transition radiation interferometer and a streak camera", Nuclear Instruments and Methods in Physics Research A, 437 (1999) 1-11.
- M. Uesaka, K. Kinoshita, T. Watanabe, T. Ueda, K. Yoshii, H. Harano, K. Nakajima, A. Ogata, F. Sakai, H. Kotaki, M. Kando, H. Dewa, S. Kondo, Y. Shibata, K. Ishi, M. Ikezawa, “Femtosecond electron beam generation and measurement for laser synchrotron radiation”, Nuclear Instruments and Methods in Physics Research A 410 (1998) 424-430.
- M. Uesaka, T. Watanabe, T. Ueda, M. Kando, N. Nakajima, H. Kotaki and A. Ogata, “Production and utilization of synchronized femtosecond electron and laser single pulses”, Journal of Nuclear Materials 248 (1997) 380-385.
Awards 2003 Nishikawa award (High energy physics and accelerators)
2009 Young physicist award (Japan Physics Society)
Other Current interests:
- Storage ring/Booster ring improvements
- Short pulse in a storage ring